SGD $219.00

12 Military Certifications, Rugged Body, 20-day Battery Life, AMOLED Display


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Key Features


  • Detailed sports tracking: run, treadmill, trail run, walk, elliptical, climb, hike, ski, outdoor cycle, indoor cycle, pool swim, open water, triathlon, fitness.
  • Automatically track your daily steps taken, distance traveled, calories burned and heart rate.
  • Get emails, text messages, calls and other app/messaging notifications right on your wrist
  • 1.3”AMOLED, Resolution 360 x 360
  • 164 feet / 50 meters / 5 ATM water resistance rating
  • Daily use mode:20 days Heart rate monitoring always on, sleep monitoring; GPS turned on for 13 minutes a day, 150 messages pushed daily which activate screen, wrist raised 30 times which activate screen, 5 minutes of other operations.
  • Basic watch mode: 66 days Bluetooth connection to phone turned off, heart rate monitoring and other functions, screen activated by wrist tilt 100 times a day.
  • GPS continuous working time: 20 hours GPS activated to track exercise and monitor heart rate.

12 Military Grade Certifications Resistant to Harsh Environments


Robustness and reliability are particularly important for outdoor smartwatches. Amazfit T-Rex passed 12 military grade certifications, ensuring its robustness and resistance to harsh environments. A new circuit design especially developed for Amazfit T-Rex, an advanced low power-consumption chip, and a deep power optimization give the Amazfit T-Rex a longer battery life. Stays with the user over the long haul, allowing you to wear it without worry and never think about charging.

Compatible with iOS and Android devices.


Technical Specs


  • Display size: 1.3”AMOLED, Resolution 360 x 360
  • Dimensions: 47.7 X 47.7 X 13.5 mm
  • Type: Corning Gorilla Glass 3 + anti-fingerprint coating
  • Weight: 58g (with strap)
  • Connection: Bluetooth 5.0/BLE
  • Battery life: 20 days regular use / 66 days basic use
  • Water resistance: 5 ATM certified, equivalent to about 80 PSI, 164 feet or 50 meters water depth.
  • Sensors: BioTrackerTM PPG Bio-Tracking Optical Sensor, 3-axis acceleration sensor, Geomagnetic sensor, Ambient light sensor

Frequently Asked Questions

Which app should I use with Amazfit T-Rex? In order to pair your watch, sync your data and adjust your settings please use the “Amazfit Watch” mobile app, available for Apple iOS and Google Android.

How do I switch between Metric and Imperial unit measurements? Open the Amazfit Watch app, click on “Profile > Settings > Units” and change it to whatever you prefer.

How do I switch between between 12h / 24h time format? On the watch, unlock your screen by pressing the top button, then swipe down on the screen to access the Settings, press the purple gear icon and scroll to “Common”, here you can toggle between the 12h and 24 format.


Icon representing Get detailed analytics for 12+ different sports modes.

Multisport Tracking

Get detailed analytics for 14 different sports modes.

Icon representing Listen to music without having to carry your phone.

Control Music

Play/Skip/Pause your music without having to touch your phone.

Icon representing Built-in GPS and GLONASS tracks your route and distance.


Built-in GPS and GLONASS tracks your route and distance.


Icon representing Receive notifications for incoming calls, messages and other apps.


Receive notifications for incoming calls, messages and other apps.

Icon representing The display is always on and easily readable under bright sunlight.

Always-On Display

The display is always on and easily readable under bright sunlight.

Icon representing Analyze your sleep patterns.

Sleep Tracking

Analyze your sleep patterns.

Icon representing Up to one week of battery life.

20 Days Battery

Up to 20 days of battery life.