T-Rex 3

$389.00 - $399.00
  • Large 1.5" display, 1.88" (48mm) case, 2,000 nits brightness
  • Over 3 weeks of battery life during typical use
  • Dual-band GPS with detailed maps, and tracking disablement
  • 170+ built-in sport modes, 400 alternative faces
  • Built-in mic for AI voice control & speech-to-text message replies
Color: Haze Gray
Regular price $389.00
Regular price $0.00 Sale price $389.00
Regular price $389.00
Regular price $0.00 Sale price $389.00

Ready for Anything

With its super large, bright display and military-grade¹ body, the Amazfit T-Rex 3 is ready for any challenge you set your sights on.

Big, Bright, and Easy to Read

Able to reach 2,000 nits peak brightness², the AMOLED display makes every turn on your map and every detail of your workouts clear at a glance.

Turn on night display and your data will be illuminated in bright red, green, or orange, making it easier on your eyes to read in dark environments.

With the new Glove Mode, your display will stay responsive to touch when you're wearing gloves up to 2mm thick.

Over 3 Weeks of Battery Life

Whether you're planning to go camping in the wilderness, set out on a multi-day hike, or jet off for an adventure holiday, power⁵ through treks, travels and triumphs with the Amazfit T-Rex 3.  

Typical Use: 27 Days

Heavy Use: 13 Days

GPS Accurate Mode: 42 Hours

GPS Long Battery Life Mode: 114 Hours

GPS Max Battery Life: 180 Hours

From detailed altitude data, to severe weather alerts, to environmental information, the Amazfit T-Rex 3 has everything you need to adventure with confidence.

Conquer Your Workouts


  • Zepp Coach™

    Train smarter with AI-generated personalized training plans, including 3KM, 5KM, 10KM, half and full marathon plans for runners.

  • 170+ Workout Modes

    From Ultramarathon and Triathlon, to Hunting and Fishing. Choose from a huge range of workout modes with professional-level data.

  • Freediving Certified

    The watch body and standard strap are certified⁹ for freediving up to 147 feet, and the super-bright AMOLED display keeps key data easily visible underwater.

  • Pro Sports Data

    Raise your game with real-time performance updates¹⁰, running power analysis, and post-workout summaries of your VO₂ Max, recovery time, training effect, and training load.

Customize Your Feature List with Mini Apps

Bolster your options for health, fitness, outdoor sports, and smart living, by choosing from hundreds of mini apps ready for download from the Zepp App.

Customize your feature list with the extra apps you want, and install or uninstall them from your watch at-will.

Frequently Asked Questions


Does the T-Rex 3 smartwatch work with Apple iPhone and Android mobile phones or devices?

Yes, most Amazfit devices are compatible with both Apple iOS and Samsung, Google or other Android OS based mobile phones.

Can I make or receive calls with the T-Rex 3 smartwatches?

The T-Rex 3 doesn't support Bluetooth phone call but supports phone call notifications.

Does the T-Rex 3 support third-party music apps like Spotify and Pandora?

Third-party music apps can't be installed directly into the watch but the T-Rex 3 does have music player controls when playing off your mobile device.

Does the Zepp App sync with sports and fitness apps?

Yes, the Zepp app does sync with certain fitness, heath, or sports apps such as Strava, adidas Running, TrainingPeaks (via Terra), komoot, Relive, Google Fit, Apple Health. Other apps such as Samsung Health or Myfitnesspal do not sync.

How long does the T-Rex 3 smartwatch battery last?

The T-Rex 3 smartwatch takes about 3 hours to fully charge from empty. Once fully charged the battery life on the T-Rex 3 will last 27 days. Regular typical use of the T-Rex 3 will result in about 27 days of battery while battery saver mode will extend it to 40 days.

Can I use the Amazfit T-Rex 3 for diving?

Yes. The Amazfit T-Rex 3 is certified for diving and supports depths of up to 45 meters, making it suitable for both freediving and recreational scuba diving.

Does the Amazfit T-Rex 3 support running sports mode? What do the running metrics on this watch actually tell me?

Yes, the T-Rex 3 supports a variety of running sports modes, such as outdoor running, trail running, treadmill, and more. But it doesn’t stop at basic tracking — the watch also analyzes key performance metrics like VO₂ Max, heart rate zones, recovery time and more.

Is the T-Rex 3 smartwatch waterproof? If so, how deep can it go?

The T-Rex 3 features a water-resistance grade of 10 ATM, meaning it can withstand pressure equivalent to 100 meters or 328 feet of static water depth for up to 10 minutes.

My Amazfit smartwatch's Bluetooth keeps disconnecting from my mobile device, how do I fix this?

If your Amazfit smartwatch's Bluetooth keeps disconnecting from your mobile device, please ensure that both the Zepp app and your device's operating system are up to date. Restart your smartwatch, then try reconnecting via Bluetooth. If the problem persists, consider performing a factory reset on your watch.

Technical Specifications


Design

Display

Battery

Sensors

Supported Devices

Sports & Health Features

Outdoor Features

Lifestyle Features

170+ Sports Modes

Bluetooth Peripheral List 

Notes

Statements