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Best Smartwatches Under Rs 20,000 in India (2026)

Discover the best smartwatch under 20000 in India with real battery life, GPS features, and compatibility for Android users in 2026.

O
Oliver Updated

Quick Comparison

RankWatchBest ForRating
#1Samsung Galaxy Watch 6Samsung Galaxy Watch 6Wear OS (Samsung One UI Watch)8.5/10View
#2Amazfit Amazfit T-Rex UltraAmazfit Amazfit T-Rex UltraZepp OS8.5/10View
#3Amazfit GTR 4Amazfit GTR 4Zepp OS 2.08.4/10View
#4Fossil Gen 6Fossil Gen 6Wear OS8.3/10View
#5Garmin Venu Sq 2Garmin Venu Sq 2Proprietary (Garmin OS)8.3/10View
#6Noise ColorFit Pro 5 MaxNoise ColorFit Pro 5 MaxProprietary (Noise OS)8.3/10View
#7Garmin Garmin Forerunner 55Garmin Garmin Forerunner 55Proprietary (Garmin OS)8.3/10View
#8Realme Watch 3 ProRealme Watch 3 ProProprietary (Realme OS)8.2/10View
#9Amazfit GTS 4Amazfit GTS 4Zepp OS8.2/10View
#10OnePlus Watch 2OnePlus Watch 2Wear OS 48.1/10View

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Finding the best smartwatch under 20000 in India can feel overwhelming. There are so many brands and models, each promising something different. Some focus on fitness, others on style or battery life. It’s easy to get lost in the details or end up with a watch that doesn’t fit your needs.

This list narrows it down to watches that scored 8.0 or higher for value, reliability, and features. Every model here has a clear strength, whether it’s battery life, GPS accuracy, health tracking, or compatibility. Watches that struggled with updates, had confusing apps, or lacked support were left off.

Not everyone wants the same thing from a smartwatch. Some buyers need a watch that lasts for weeks without charging. Others want advanced health features, or a model that looks good at work and in the gym. For many, phone compatibility and easy setup are just as important as fitness tracking.

We looked at how these watches perform in real situations. Each section covers the case size (measured in mm, or the width across your wrist), battery life in days or weeks, GPS details, and how the watch works with your phone. You’ll find out what makes each model stand out, who should buy it, and who should skip it. This guide is designed to help you pick the right smartwatch for your lifestyle and budget.

Here are the best smartwatches under Rs 20,000 in India for 2026, with practical buying advice for each.

Expert ranking
01

Samsung Galaxy Watch 6

8.5
Samsung Galaxy Watch 6
5ATM + IP68Up to 40 hoursWear OS (Samsung One UI Watch)1.3" or 1.5" Super AMOLED, always-on, 330 or 480 x 432 px
  • Design8.7
  • Battery7.7
  • Fitness8.6
  • Calls8.3
  • Value8.2

Check Price

The Samsung Galaxy Watch 6 is a familiar name for anyone who’s shopped for smartwatches before. It’s a top pick for Android users who want a stylish, everyday smartwatch packed with health features. The Watch 6 is available in two case sizes: 40mm and 44mm. The mm number refers to the width of the watch body across your wrist, so the 40mm is a slimmer fit, while the 44mm offers a larger display for easier reading and touch controls.

One of the biggest reasons to consider the Galaxy Watch 6 is its deep integration with Android, especially Samsung phones. Setup is straightforward if you’re in the Samsung ecosystem, as the Galaxy Wearable app handles pairing, updates, and settings. For non-Samsung Android phones, most features work, but some advanced health tools (like ECG and blood pressure monitoring) may require a Samsung phone. iPhone users can pair the watch, but will miss out on several features, including replying to messages and using some health sensors.

Battery life is up to 40 hours, which covers about a day and a half for most users. This is with moderate use, notifications, heart rate monitoring, and a few workouts. If you turn on the always-on display, stream music, or use GPS for tracking outdoor runs, expect to charge daily. The magnetic charger is easy to use, but you’ll need to plan for charging if you want to use sleep tracking every night. For those who want a watch that lasts a week or more, this is a tradeoff to consider.

The built-in GPS lets you track walks, runs, and bike rides without carrying your phone. GPS accuracy is good for urban and suburban routes, though tall buildings or heavy tree cover can cause minor delays in location updates. The Watch 6 also supports NFC payments (where available), music storage, and Bluetooth calling, making it a full-featured everyday watch.

Health tracking is a real highlight. The Watch 6 offers ECG, blood pressure, SpO2, heart rate, stress monitoring, and advanced sleep analysis. The sensors are generally accurate for daily use, though you should not rely on them for medical decisions. Fitness tracking covers dozens of activities, with auto-detection for common workouts like walking, running, and cycling. The watch also provides reminders to move, hydration tracking, and menstrual health features.

For productivity, Wear OS brings Google Maps, Assistant, and access to the Play Store for apps and watch faces. You can read and reply to messages, answer calls, and control smart home devices. Keyboard shortcuts and voice typing make it easy to respond quickly, though typing on the small screen can be tricky for longer messages.

Who should buy the Galaxy Watch 6? It’s best for Android users who want a smartwatch that looks good at work, tracks health, and handles notifications and calls. It’s also a good pick for those who value Samsung’s health features and want regular software updates. Who should skip it? Anyone who wants a battery that lasts a week or more, or who mainly uses an iPhone, should look elsewhere. The Watch 6 can’t replace a dedicated fitness watch for serious athletes or long outdoor adventures. Its main tradeoff is battery life, which is shorter than some rivals.

Compared to other watches on this list, the Galaxy Watch 6 stands out for its smart features and health tracking, but it’s not as rugged or long-lasting as fitness-first models. It’s a great all-rounder for everyday use, but not the best for extreme sports or multi-day trips without charging.

Pros

  • Bright, sharp AMOLED display
  • Comprehensive health tracking
  • Fast, smooth performance

Cons

  • Battery life could be better
  • Limited compatibility with non-Samsung phones

Who it is for

  • Android users seeking a premium smartwatch
  • Fitness enthusiasts wanting advanced tracking

Skip if

  • You use an iPhone
  • You need multi-day battery life

Samsung Galaxy Watch 6 FAQs

Does the Galaxy Watch 6 support third-party apps?

Yes, it runs Wear OS and supports a wide range of third-party apps from Google Play.

Can I use the Galaxy Watch 6 with any Android phone?

It works best with Samsung phones, but is compatible with most Android devices running Android 10 or later.

Expert ranking
02

Amazfit Amazfit T-Rex Ultra

8.5
Amazfit Amazfit T-Rex Ultra
10 ATM (100 meters)Up to 20 daysZepp OS1.39-inch AMOLED, 454x454 pixels
  • Design8.2
  • Battery9
  • Fitness8.7
  • Calls7
  • Value8.3

Check Price

The Amazfit T-Rex Ultra is built for outdoor enthusiasts and users who need a rugged, durable smartwatch with long battery life. The 47mm case is the widest on this list, making it chunky but tough. The mm number refers to the width of the watch body across your wrist, so expect a bold presence. The T-Rex Ultra runs on Zepp OS and pairs with both Android and iOS phones via the Zepp app. Setup is straightforward, with clear instructions and stable syncing.

Battery life is up to 20 days in typical use, making it one of the longest-lasting watches here. Using GPS for outdoor adventures will reduce battery life, but you still get about 80 hours of continuous tracking. This is ideal for hikers, campers, or anyone who spends days away from a charger. The watch charges via a magnetic dock, and a full charge takes about two hours.

The built-in GPS supports multiple satellite systems, improving accuracy in remote or challenging environments. The watch tracks over 150 sports and activities, including hiking, trail running, swimming, and strength training. It’s water-resistant and built to military-grade durability standards, so it can handle drops, shocks, extreme temperatures, and muddy trails. Health tracking includes heart rate, SpO2, stress, and sleep monitoring.

Compared to other watches here, the T-Rex Ultra is the best pick for outdoor use and long battery life. It lacks advanced smart features like calling, messaging, or app downloads, but covers all the essentials for outdoor fitness and adventure. The 47mm case may be too bulky for everyday wear or formal settings, and the design is clearly sporty.

Who should buy the T-Rex Ultra? Outdoor enthusiasts, hikers, runners, and anyone who needs a tough, reliable watch with long battery life. Who should skip it? Users who want a slim, office-friendly watch or lots of smart apps should consider other models. The main tradeoff is the size and limited smart features, but for durability and battery, it’s hard to beat.

Pros

  • Extremely rugged and durable build
  • Excellent battery life for outdoor use
  • Comprehensive fitness and GPS tracking

Cons

  • Bulky and heavy on smaller wrists
  • Limited third-party app support

Who it is for

  • Outdoor adventurers
  • Fitness enthusiasts needing durability

Skip if

  • You want a slim or lightweight watch
  • You rely on a wide app ecosystem

Amazfit Amazfit T-Rex Ultra FAQs

Does the Amazfit T-Rex Ultra support offline maps?

Yes, it supports offline maps for navigation during outdoor activities.

Can you make phone calls directly from the watch?

No, the T-Rex Ultra does not have a built-in speaker or microphone for calls.

Expert ranking
03

Amazfit GTR 4

8.4
Amazfit GTR 4
5 ATMUp to 14 daysZepp OS 2.01.43" AMOLED, 466x466 pixels
  • Design8.5
  • Battery9.2
  • Fitness8.4
  • Calls7.5
  • Value8.3

Check Price

Amazfit’s GTR 4 is built for users who want a fitness-focused smartwatch with long battery life and a large, easy-to-read display. The 46mm case gives it a bold look and plenty of screen space for stats, maps, and notifications. The size may feel big for smaller wrists, but it’s ideal for those who want quick glances at their workout data or want a watch that stands out.

Zepp OS 2.0 powers the GTR 4, and setup is handled through the Zepp app, available for both Android and iOS. The app is straightforward, offering clear instructions for pairing, syncing, and customizing watch faces. It also gives you detailed health and fitness stats, including sleep, steps, heart rate, and workout summaries. The GTR 4 works well with most modern phones, and the connection is stable for syncing data and notifications.

Battery life is a major selling point. The GTR 4 lasts up to 14 days in typical use, which means you can track daily activities, workouts, and sleep without worrying about the charger. Heavy use, such as long GPS workouts, frequent notifications, or always-on display, will shorten battery life, but most users get at least a week per charge. Charging is quick, taking about two hours from empty to full, so even if you forget to charge, you can top it up before heading out.

The built-in GPS supports five satellite systems, which improves accuracy for outdoor runs, cycling, and hiking. You can leave your phone at home and still get accurate maps and distance tracking. The watch supports over 150 sports modes, including swimming (thanks to water resistance), strength training, yoga, and more. It also tracks heart rate, SpO2, stress, and sleep stages, giving you a full picture of your health.

Compared to Wear OS watches, the GTR 4 has fewer third-party apps, but it covers the essentials well. You can receive notifications, control music, and set alarms or timers. Some features, like replying to messages or making calls, are limited or unavailable, so it’s not a replacement for your phone. The watch can store a small number of songs for offline playback, but it’s not a full music player.

Who should buy the GTR 4? It’s ideal for fitness enthusiasts, runners, cyclists, and anyone who wants a watch that tracks workouts and health without daily charging. It’s also good for users who want a big display and don’t need deep app integration. Who should skip it? If you want a slim, discreet watch or need advanced smart features like calling and app downloads, look at Wear OS models. The GTR 4’s main tradeoff is its size and limited app ecosystem, but it excels in battery life and fitness tracking.

What sets the GTR 4 apart is the combination of robust fitness tracking, accurate GPS, and long battery life. It’s a practical choice for those who want to focus on health and activity, with fewer distractions from unnecessary apps. If you value simplicity and reliability, the GTR 4 is a strong contender.

Pros

  • Excellent battery life
  • Bright AMOLED display
  • Comprehensive fitness tracking

Cons

  • Limited third-party app support
  • No NFC payments in some regions

Who it is for

  • Fitness enthusiasts seeking long battery life
  • Users wanting a stylish, versatile smartwatch

Skip if

  • You need robust third-party app support
  • You require LTE or advanced smartwatch features

Amazfit GTR 4 FAQs

Does the Amazfit GTR 4 support phone calls?

Yes, it supports Bluetooth phone calls when connected to your smartphone.

Can I use third-party apps on the Amazfit GTR 4?

Third-party app support is limited compared to Wear OS or Apple Watch.

Expert ranking
04

Fossil Gen 6

8.3
Fossil Gen 6
3 ATMUp to 24 hoursWear OS1.28-inch AMOLED, always-on
  • Design8.7
  • Battery6.8
  • Fitness7.2
  • Calls8
  • Value8.2

Check Price

Fossil Gen 6 is a go-to for shoppers who care about style and want a smartwatch that blends into both casual and formal settings. It comes in 42mm and 44mm case sizes, so you can pick the one that fits your wrist best. The 42mm is more subtle, while the 44mm offers a larger display for easier reading. The mm number is the width of the watch body across your wrist.

This model runs Wear OS, making it compatible with Android phones and, to a lesser extent, iPhones. Setup is handled through the Wear OS app, and pairing is quick. Android users get the best experience, with access to Google Assistant, Maps, and notifications. iPhone users can pair the watch, but some features like responding to messages or using Google Assistant are limited.

Battery life is up to 24 hours, so most users will need to charge daily. Using always-on display, GPS tracking, or streaming music will shorten battery life further. The watch includes built-in GPS, so you can track outdoor runs, walks, or bike rides without your phone. GPS accuracy is good for city and suburban use, but battery drains quickly during long workouts.

Fossil Gen 6 is a strong pick for users who want a smartwatch that looks like a traditional watch, with a range of straps and finishes. It’s also a good choice for those who want Google apps and notifications on their wrist. The main tradeoff is battery life, which is shorter than fitness-focused watches. The watch is water-resistant, so it can handle rain, splashes, and short swims, but it’s not designed for deep water or diving.

Compared to other watches here, Gen 6 stands out for its design and customization options. It’s not as rugged or long-lasting as the Amazfit or Garmin models, but it’s a good fit for users who want style and smart features. Who should buy it? Those who want a fashionable watch with Google integration and don’t mind daily charging. Who should skip it? Fitness enthusiasts, outdoor adventurers, or anyone who wants a battery that lasts more than a day should look elsewhere.

Pros

  • Fast Snapdragon Wear 4100+ processor
  • Bright, always-on AMOLED display
  • Attractive, classic watch design

Cons

  • Average battery life
  • Limited fitness tracking features

Who it is for

  • Android users seeking a stylish smartwatch
  • Those wanting Google Assistant and app support

Skip if

  • You need multi-day battery life
  • You want advanced health tracking

Fossil Gen 6 FAQs

Does the Fossil Gen 6 support contactless payments?

Yes, it supports Google Pay for contactless payments.

Can you make and receive calls from the watch?

Yes, the built-in speaker and microphone allow for phone calls directly from the watch.

Expert ranking
05

Garmin Venu Sq 2

8.3
Garmin Venu Sq 2
5 ATMUp to 11 daysProprietary (Garmin OS)1.41-inch AMOLED, 320 x 360 pixels
  • Design8
  • Battery9
  • Fitness8.5
  • Calls6
  • Value8.2

Check Price

The Garmin Venu Sq 2 is a health and fitness-focused smartwatch with a compact 40mm case. The size is comfortable for most wrists, making it a good fit for both men and women. Garmin uses its own operating system, which is simple and focused on wellness. The watch works with both Android and iOS phones, syncing through the Garmin Connect app. Setup is clear, and the app offers detailed health data, workout history, and training plans.

Battery life is up to 11 days in smartwatch mode, which means you can track daily activities, sleep, and workouts without charging every night. Using built-in GPS for outdoor runs or walks reduces battery life to about 24 hours of continuous tracking. For most users, this means charging every week or so, depending on how often you use GPS. The magnetic charger is easy to use, and charging from empty to full takes about two hours.

The built-in GPS is accurate and quick to lock on, making it suitable for outdoor activities. The Venu Sq 2 tracks heart rate, SpO2, stress, sleep, hydration, and women’s health. It supports over 25 sports modes, including running, cycling, swimming, and yoga. The watch is water-resistant, so you can wear it in the pool or shower without worry.

Compared to other fitness watches, the Venu Sq 2 is a middle ground between basic trackers and advanced sports watches. It doesn’t offer as many smart features as Wear OS models, but it excels in health tracking and battery life. Notifications are supported, but you can’t reply to messages or answer calls from the watch. The display is bright and easy to read, even in sunlight.

Who should buy the Venu Sq 2? It’s ideal for users who want a reliable fitness watch with long battery life and accurate health tracking. It’s also a good pick for those who want a compact, lightweight watch. Who should skip it? If you want advanced smart features, lots of apps, or a large display, consider other models. The main tradeoff is the limited smart features, but the Venu Sq 2 excels in health and fitness.

Pros

  • Bright AMOLED touchscreen
  • Excellent battery life
  • Comprehensive fitness tracking

Cons

  • No onboard music storage (base model)
  • Limited third-party app support

Who it is for

  • Fitness enthusiasts
  • Everyday health tracking

Skip if

  • You want advanced smartwatch apps
  • You need LTE or cellular connectivity

Garmin Venu Sq 2 FAQs

Does the Garmin Venu Sq 2 support contactless payments?

Yes, Garmin Pay is supported for contactless payments.

Can you reply to texts or take calls on the Venu Sq 2?

You can view notifications and send quick replies (Android only), but you cannot take calls directly on the watch.

Expert ranking
06

Noise ColorFit Pro 5 Max

8.3
Noise ColorFit Pro 5 Max
IP68Up to 7 daysProprietary (Noise OS)1.96-inch AMOLED, 410x502 pixels
  • Design8
  • Battery8.2
  • Fitness8.4
  • Calls8.1
  • Value8.5

Check Price

The Noise ColorFit Pro 5 Max is aimed at buyers who want a large display and essential health features at a lower price. The 47mm case is wide and bold, making it easy to read notifications and health stats. The watch runs on Noise OS and pairs with both Android and iOS phones, though some features work better with Android. Setup is quick via the Noise app, which guides you through pairing and customization.

Battery life is up to 7 days for most users, though heavy use of always-on display, continuous heart rate, or Bluetooth calling will shorten that. There is built-in GPS for outdoor tracking, but accuracy may not match higher-end models. The ColorFit Pro 5 Max is water-resistant, so it can handle splashes or rain, but not deep water.

The watch tracks steps, distance, calories, heart rate, SpO2, and sleep. It supports multiple sports modes, including running, cycling, and swimming. Notifications for calls, messages, and apps are supported, but replying to messages is not available. Bluetooth calling lets you answer calls from your wrist when your phone is nearby.

Compared to other watches here, the ColorFit Pro 5 Max offers good value for users who want a big screen and essential features. It lacks advanced health tracking and deep app integration, but covers the basics well. The 47mm case may look too large for smaller wrists, and the app ecosystem is limited.

Who should buy it? Those who want a large display, basic fitness tracking, and Bluetooth calling at a lower price. Who should skip it? Users who need detailed workout analysis, advanced health sensors, or a slim watch should consider other options. The main tradeoff is the limited smart features and app ecosystem, but it’s a solid pick for everyday use.

Pros

  • Large, vibrant AMOLED display
  • Bluetooth calling support
  • Comprehensive fitness tracking

Cons

  • Limited third-party app support
  • Bulky for smaller wrists

Who it is for

  • Users seeking a big, bright display
  • Fitness enthusiasts on a budget

Skip if

  • You want advanced smartwatch apps
  • You prefer a compact, lightweight watch

Noise ColorFit Pro 5 Max FAQs

Does the Noise ColorFit Pro 5 Max support Bluetooth calling?

Yes, it allows you to make and receive calls directly from the watch.

Can I swim with the Noise ColorFit Pro 5 Max?

The watch has an IP68 rating, making it suitable for swimming and daily water exposure.

Expert ranking
07

Garmin Garmin Forerunner 55

8.3
Garmin Garmin Forerunner 55
5 ATMUp to 2 weeks (smartwatch mode), up to 20 hours (GPS mode)Proprietary (Garmin OS)1.04" transflective MIP, 208 x 208 px
  • Design7.8
  • Battery8.7
  • Fitness8.5
  • Calls5
  • Value8.2

Check Price

The Garmin Forerunner 55 is designed for runners and fitness-focused users who want reliable tracking and long battery life. The 42mm case size keeps the watch comfortable for most wrists, and the look is sporty rather than formal. It runs on Garmin’s proprietary OS and works with both Android and iOS phones, syncing through Garmin Connect. Setup is straightforward, and the app gives detailed workout analysis and training plans.

Battery life is up to two weeks in smartwatch mode, which means you can go days without thinking about a charger. Using built-in GPS for running, walking, or cycling reduces battery to about 20 hours of continuous tracking. The GPS is accurate, and the watch offers daily suggested workouts for runners. The Forerunner 55 is water-resistant, so it can handle rain, sweat, and swimming.

The watch tracks heart rate, steps, distance, calories, and advanced running metrics like cadence and pace. It also offers sleep tracking, stress monitoring, and women’s health features. The display is easy to read in sunlight, and the interface is simple to navigate with physical buttons, which is helpful during workouts.

Compared to other fitness watches here, the Forerunner 55 offers more running features and better battery than most. It lacks advanced smart features like calling, messaging, or app downloads, but excels in fitness tracking and reliability. The look is sporty, so it may not fit all dress codes or formal settings.

Who should buy it? Runners, walkers, and anyone who wants a fitness watch that just works. Who should skip it? Users who want a full-featured smartwatch with calling, messaging, or lots of apps should consider other models. The main tradeoff is the limited smart features, but for training and battery life, it’s a top choice.

Pros

  • Excellent GPS accuracy
  • Long battery life
  • Lightweight and comfortable

Cons

  • No music storage
  • Limited smart features

Who it is for

  • Beginner runners
  • Fitness tracking enthusiasts

Skip if

  • You want advanced smartwatch features
  • You need onboard music

Garmin Garmin Forerunner 55 FAQs

Does the Forerunner 55 support third-party apps?

It supports limited apps via Garmin Connect IQ, but options are more restricted than on Wear OS or Apple Watch.

Can I use the Forerunner 55 for swimming?

Yes, it is water-resistant up to 5 ATM and tracks pool swims.

Expert ranking
08

Realme Watch 3 Pro

8.2
Realme Watch 3 Pro
IP68Up to 10 daysProprietary (Realme OS)1.78-inch AMOLED, 368 x 448 pixels
  • Design7.8
  • Battery8.5
  • Fitness8.3
  • Calls8
  • Value8.6

Check Price

The Realme Watch 3 Pro is a budget-friendly smartwatch with a focus on big display and essential fitness features. The 45mm case is wide, giving you plenty of screen space for notifications, workout stats, and controls. The watch runs on Realme OS and pairs with both Android and iOS phones, though the best experience is on Android. Setup is quick using the Realme Link app, which guides you through pairing and customization.

Battery life is up to 10 days in typical use, making it a good choice for users who don’t want to charge every night. Heavy use, such as always-on display, Bluetooth calling, or daily GPS workouts, will shorten battery life to about a week. The watch charges via a magnetic dock, and a full charge takes under two hours.

The built-in GPS lets you track outdoor runs and walks without your phone. GPS accuracy is fair for the price, but may lag behind higher-end models in dense city areas or under heavy tree cover. The watch tracks steps, distance, calories, heart rate, SpO2, and sleep. It supports multiple sports modes, including cycling, cricket, and swimming (with water resistance for pool use).

Bluetooth calling is a standout feature for this price range. You can answer and make calls directly from the watch when your phone is nearby. Notifications for calls, messages, and apps are supported, but replying to messages is not available. The 45mm display is bright and easy to read, even outdoors, but the size may be too large for smaller wrists.

Compared to other watches here, the Watch 3 Pro offers good value for users who want a big screen and essential features. It lacks advanced health tracking and deep app integration, but covers the basics well. Who should buy it? Those who want a large display, basic fitness tracking, and Bluetooth calling at a lower price. Who should skip it? Users who need detailed workout analysis, advanced health sensors, or a slim watch should consider other options. The main tradeoff is the limited smart features and app ecosystem, but it’s a solid pick for everyday use.

Pros

  • Bright AMOLED display
  • Built-in GPS
  • Long battery life

Cons

  • Limited third-party app support
  • Plastic build feels basic

Who it is for

  • Budget smartwatch seekers
  • Fitness tracking with GPS

Skip if

  • You want advanced smart features
  • You prefer a premium build

Realme Watch 3 Pro FAQs

Does the Realme Watch 3 Pro support Bluetooth calling?

Yes, it supports Bluetooth calling with a built-in speaker and microphone.

Can I use the Realme Watch 3 Pro for swimming?

The watch has an IP68 rating, making it splash and dust resistant, but it is not recommended for swimming.

Expert ranking
09

Amazfit GTS 4

8.2
Amazfit GTS 4
5 ATMUp to 8 daysZepp OS1.75-inch AMOLED, 390 x 450 pixels
  • Design8.5
  • Battery8
  • Fitness8.7
  • Calls7.5
  • Value8.3

The Amazfit GTS 4 is designed for users who want a slim, lightweight fitness smartwatch with a focus on style. The 42mm case is wide enough for easy reading but sits flatter on the wrist than chunkier models. It runs on Zepp OS and works with both Android and iOS phones. Setup is simple through the Zepp app, which syncs health and activity data.

Battery life is up to 8 days, though heavy use of GPS, always-on display, or continuous health tracking will shorten that. The built-in GPS lets you track outdoor runs and walks without your phone. The GTS 4 offers a good mix of fitness features, including heart rate, SpO2, sleep tracking, and stress monitoring. It supports over 150 sports modes, making it versatile for different workouts.

The display is bright and easy to read, even in sunlight, and the touch interface is smooth. Notifications for calls, messages, and apps are supported, but replying to messages or making calls is not available. The watch is water-resistant, so you can wear it while swimming or in the rain.

Compared to other Amazfit watches, the GTS 4 is slimmer and more discreet, making it a good fit for everyday wear. It’s not as rugged as the T-Rex Ultra, but it’s lighter and more comfortable for smaller wrists. The app selection is limited compared to Wear OS watches, and it doesn’t offer advanced smart features like calling.

Who should buy it? Users who want a lightweight fitness watch with a modern look and solid battery life. Who should skip it? Those who need rugged durability, deep app support, or advanced smart features should consider other models. The main tradeoff is the limited smart features, but for style and fitness tracking, the GTS 4 is a strong pick.

Pros

  • Bright AMOLED display
  • Comprehensive fitness tracking
  • Long battery life

Cons

  • Limited third-party apps
  • No onboard music storage

Who it is for

  • Fitness enthusiasts
  • Everyday smartwatch users

Skip if

  • You need advanced app support
  • You want LTE connectivity

Amazfit GTS 4 FAQs

Does the Amazfit GTS 4 support Bluetooth calls?

Yes, it allows you to make and receive calls via Bluetooth when connected to your phone.

Can I use third-party apps on the Amazfit GTS 4?

The watch supports a limited selection of third-party apps through the Zepp app store.

Expert ranking
10

OnePlus Watch 2

8.1
OnePlus Watch 2
5 ATMUp to 100 hours typicalWear OS 41.43" AMOLED
  • Design8.3
  • Battery8.5
  • Fitness7.6
  • Calls8
  • Value8.3

The OnePlus Watch 2 is a newer entry in the smartwatch space, designed for users who want the features of Wear OS with a longer battery life than most competitors. The 46mm case is wide and bold, making a statement on the wrist. It’s best suited for those who prefer a larger watch or want a display that’s easy to read during workouts or while on the move.

Wear OS 4 runs the show, giving you access to Google apps, notifications, and a wide range of third-party watch faces. The watch pairs easily with Android phones, and setup is handled through the OnePlus Health app and Google’s Wear OS app. iPhone compatibility is limited, so Android users get the best experience. Once set up, notifications, calls, and Google Assistant work smoothly, and you can customize the watch with widgets and shortcuts.

Battery life is a standout feature. The Watch 2 offers up to 100 hours in typical use, which is about four days. This is possible thanks to a dual-chip architecture that switches between a power-saving mode and a full-featured mode. With heavy use, such as long GPS workouts, always-on display, or frequent app use, battery life drops to around two days, but that’s still better than most Wear OS watches. Charging is fast, so you can get a day’s worth of power in less than an hour.

The built-in GPS is accurate and quick to lock on, making it suitable for runners, cyclists, and outdoor enthusiasts. You can track routes, pace, and distance without carrying your phone. The watch also tracks heart rate, SpO2, sleep, and stress, with all data syncing to the OnePlus Health app. Fitness tracking covers dozens of activities, and the watch can auto-detect some workouts.

Compared to other Wear OS watches like Fossil Gen 6 or Samsung Galaxy Watch 6, the OnePlus Watch 2 stands out for battery life and smooth performance. However, it lacks some advanced health features like ECG and blood pressure monitoring found on Samsung’s watch. The 46mm case may be too large for some users, and the design is sporty rather than formal.

Who should buy it? The OnePlus Watch 2 is best for Android users who want smart features, Google app support, and multi-day battery life. It’s also good for those who want a watch that can handle fitness tracking and everyday notifications. Who should skip it? If you want a slimmer watch, use an iPhone, or need advanced health sensors, look elsewhere. The main tradeoff is the size and the lack of some health features, but it’s a practical pick for Android users who value battery life and Google integration.

Pros

  • Wear OS with 100-hour class battery
  • 46mm looks right on men
  • Fast charging

Cons

  • Fewer third-party faces/bands than Galaxy
  • Health stack is simpler

Who it is for

  • OnePlus/Android users who want Wear OS battery
  • 46mm daily watch

Skip if

  • You need ECG
  • You use iPhone

OnePlus Watch 2 FAQs

Does the OnePlus Watch 2 support iOS devices?

No, the OnePlus Watch 2 is only compatible with Android smartphones.

Can you make and receive calls from the watch?

Yes, the OnePlus Watch 2 supports Bluetooth calling when connected to your phone.

Buying checklist

Make sure these key points match your needs before picking the best smartwatch under 20000:

Phone compatibility

Check that your watch works with your Android or iOS phone for setup and syncing.

Built-in GPS

Decide if you need GPS on the watch for tracking runs or rides without your phone.

Battery life in days or weeks

Consider how often you want to charge your watch, as heavy use shortens battery life.

Case size in mm

The mm number is the width of the watch body across your wrist, pick a size that fits your comfort and style.

Features you’ll use

Look for health, fitness, or smart features that match your routine, like calling, messaging, or advanced workout tracking.

Water resistance

If you plan to swim or run in the rain, make sure your watch can handle water exposure.

Frequently asked questions

Which smartwatch has the longest battery life under 20000?
The Amazfit T-Rex Ultra leads with up to 20 days of battery in typical use. The Amazfit GTR 4 and Garmin Forerunner 55 also offer battery life that lasts at least a week or more, even with regular fitness tracking.
Can I use these smartwatches with my iPhone?
Most watches on this list work with both Android and iOS phones, but features like replying to messages or answering calls may be limited on iOS. Wear OS models work best with Android.
Do all watches have built-in GPS?
Most watches here include built-in GPS, letting you track outdoor runs and walks without your phone. Some budget models may rely on your phone’s GPS for tracking.
What does the mm size mean for smartwatches?
The mm number refers to the width of the watch body across your wrist. Larger sizes like 46mm or 47mm look bold, while 40mm or 42mm are slimmer and lighter.
Which is best for fitness tracking?
Garmin Forerunner 55, Garmin Venu Sq 2, and Amazfit GTR 4 are strong picks for fitness tracking. They offer accurate GPS, long battery life, and detailed workout stats.
Are these watches water-resistant?
Yes, all watches on this list offer some level of water resistance. Most can handle splashes, rain, and swimming, but always check the specific rating before taking them into water.
O

Written by Oliver

Oliver is a technology enthusiast and avid fitness enthusiast who enjoys exploring the latest gadgets and gear especially smartwatches and wearable technology. Oliver has extensive experience testing and reviewing a variety of products on the market. Through their work, Oliver and his team aim to provide readers with an honest and objective assessment of the features, design, and performance of smartwatches, helping them make informed decisions when it comes to choosing the right device for their needs. When not testing out new gadgets, Oliver enjoys running, hiking, and spending time outdoors.

Rankings are expert lists from specs and design. A hands on badge appears only when that author actually wore the watch.

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