Year-End SaleEnds 1/1/26. Limited quantities. No rainchecks.

Main Content
product image

Amazfit - T-Rex Smartwatch 44mm Polymer - Camo Green

Model: W1919US4N
SKU: 6421923
This item is no longer available in new condition. See similar items below
  • Key Specs
    • Screen Size: 31 millimeters (Size of the screen, measured diagonally from corner to corner.)
    • Touch Screen: true (Touch-screen devices make navigating more intuitive. Using a touch-screen display, you can do things such as tap to select, hold and drag to move items, swipe to scroll, and pinch to zoom.)
    • Operating System Compatibility: Android, Apple iOS
    • App Compatible: true (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
    • Global Positioning: GLONASS, GPS (A system of satellites which enables a mobile receiver to determine its precise location based on signals received from satellites such as the US Global Positioning System (GPS), the Russian Global Navigation Satellite System (GLONASS), the European Global Navigation Satellite System (Galileo), or the Japanese Quasi-Zenith Satellite System (QZSS).)
    • Metrics Measured: Altitude changes, Distance swam, Resting heart rate, Hours slept, Pace
    • Protective Qualities: Water resistant
    • Maximum Depth of Water Resistance: 164 feet (Measurement of the maximum depth of water in which the product is able to resist some degree of water penetration.)
    • Band Material: Silicone
  • General
    • Product Name: T-Rex Smartwatch 44mm Polymer
    • Brand: Amazfit
    • Product Type: Smartwatch, Activity tracker
    • Form Factor: Wristwatch (The size, arrangement, and physical configuration of the product.)
    • Model Family: Amazfit
    • Model Number: W1919US4N
    • Color: Camo Green
  • Design
    • Case Size: 44mm (The diameter or longest measurement of the case.)
    • Case Shape: Round
    • Band Type: Strap
    • Band Color: Camo Green
    • Clasp Type: Buckle
  • Dimensions
    • Case Thickness: 0.53 inches
    • Band Width: 20 millimeters
    • Product Width: 1.88 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Length: 1.88 inches (The out of box length of the item. Length is measured as the longest dimension of the item.)
    • Maximum Wrist Size: 228.6 millimeters
    • Band Size: Adjustable
  • Display
    • Display Screen: true
    • Screen Size: 31 millimeters (Size of the screen, measured diagonally from corner to corner.)
    • Touch Screen: true (Touch-screen devices make navigating more intuitive. Using a touch-screen display, you can do things such as tap to select, hold and drag to move items, swipe to scroll, and pinch to zoom.)
    • Screen Resolution: 360 x 360 (Screens come in a range of resolutions (measured in pixels, horizontal x vertical). The higher the resolution, the greater the picture quality.)
    • Display Type: AMOLED
    • Color Display: true
    • Clock Display: true
    • Backlit Display: true (Integrated lights allow for visibility of the display in low-light conditions.)
    • Customizable Watch Faces: true
    • Screen Material: Corning Gorilla Glass 3
  • Compatibility
    • Operating System Compatibility: Android, Apple iOS
    • App Compatible: true (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
  • Connectivity
    • Internal Carrier: Not Applicable
    • Bluetooth Version: 5.0 (The Bluetooth specification formalized by the Bluetooth Special Interest Group. All versions of the Bluetooth standard are backwards compatible with previous versions.)
    • Wireless Connectivity: Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
  • Features
    • GPS Enabled: true
    • Global Positioning: GLONASS, GPS (A system of satellites which enables a mobile receiver to determine its precise location based on signals received from satellites such as the US Global Positioning System (GPS), the Russian Global Navigation Satellite System (GLONASS), the European Global Navigation Satellite System (Galileo), or the Japanese Quasi-Zenith Satellite System (QZSS).)
    • Mobile Notifications: true
    • Music Player: true
    • Built-In Microphone: false
  • Activity
    • Metrics Measured: Altitude changes, Distance swam, Resting heart rate, Hours slept, Pace
    • Multi-Sport Tracking: true
    • Sensors: Accelerometer, Ambient light sensor, Compass, Geomagnetic sensor (Detects stimuli such as heat, light, sound, motion, or pressure and responds accordingly by operating a control or initiating a function of the device.)
  • Performance
    • Protective Qualities: Water resistant
    • Maximum Depth of Water Resistance: 164 feet (Measurement of the maximum depth of water in which the product is able to resist some degree of water penetration.)
  • Power
    • Rechargeable: true
    • Battery Capacity: 390 milliampere hours (The amount of energy stored in the battery.)
  • Material
    • Band Material: Silicone
    • Case Material: Polymer
  • Other
    • UPC: 851572007689

Keep direction and time with this Amazfit T-Rex smartwatch. The rugged military-grade construction provides durability in harsh environments, while the powerful battery lasts up to 20 hours on a single charge. This Amazfit T-Rex smartwatch has an always-on 1.3-inch AMOLED display to keep you updated on the time, and the water-resistant design allows for use in wet conditions.

  • Compatible with select Android and iOS devices: Allows for convenient use with your existing smartphone.
  • Smart connectivity: The Amazfit T-Rex smartwatch has a wealth of smart functions, including weather forecast, event reminders, call reminders, app notifications and more, offering a variety of practical tools to facilitate your daily work and life.
  • 1.3" AMOLED display: With a 31mm always-on display and camo green strap, this smartwatch will look as good in the office as it will while climbing a mountain in the wilderness.
  • Your ideal outdoor companion: The Amazfit T-Rex smartwatch has 12 military certificates for its robust, tough, and ready for any environment body.
  • Water-resistant design: Designed to withstand all kinds of outdoor activities, this watch is 5 ATM certified, which means you can take it swimming with you.
  • All-day heart rate monitoring: Comes equipped with Huami's self-developed BioTracker PPG bio-tracking optical sensor, which performs high-precision heart rate monitoring 24 hours a day. The watch also issues reminders to stand up, which encourage you to develop healthy habits.
  • 14 built-in sports modes: The watch monitors data such as exercise heart rate and exercise duration statistics, making your workouts safer and more efficient.
  • High-precision GPS dual-satellite positioning: Uses a high-end Sony GPS chip and built-in highly precise dual-satellite positioning system.
Whats Included
  • Amazfit T-Rex Smartwatch 44mm Polymer
  • Magnetic charging base
  • Charging cable
  • Owner's manual

Q: does it show how many calories burned ?

A: Yes the T-Rex shows how many Calories Burned

Q: Once the battery dies, can it be replaced with a new one?

A: No Unfortunately the Battery isn't replaceable

Q: Does it have mic and a speaker

A: No to either. Bummer, too-that would be great.

Q: "Resists some degree of water penetration" could mean anything - Can you lap swim with it?

A: Yes. Amazfit T-Rex has a water resistance grade of 5ATM. It can be used for water activities in shallow water such as in a swimming pool or at the beaches. However, it does NOT support sauna, hot springs and diving. Notes: In accordance with GB/T 30106-2013 / ISO 22820:2010, a device that's water resistant at a depth of 50 meters shall be graded as 5 ATM.

Q: Do the watch faces come from Google Play? If not, where? How many come with the watch?

A: No the watch faces do not come from Google Play, there are 30 + Watch faces to choose from on the Zepp App on your phone when you sync and setup your watch with your phone

Q: does it have sleep tracker?

A: Yes! There is a sleep tracker in the app. I love this watch...it's tough as nails, good looking, has phenomenal battery life, and is just an all-around fantastic fitness watch! I check the app every morning to see what my sleep score is!!