The Amazfit T-Rex 3 is a rugged outdoor smartwatch built for extreme adventures and fitness tracking. It features a 1.5-inch AMOLED display, dual-band GPS with six satellite systems, and up to 27 days of battery life. With 10 ATM water resistance, advanced health monitoring, and over 170 sports modes, it is designed for athletes, hikers, and outdoor enthusiasts.
Key Features
• 1.5-inch AMOLED display with Gorilla Glass protection
• Dual-band GPS with six satellite positioning systems
• Rugged design with 10 ATM water resistance
• Up to 27 days battery life on regular usage
• 170+ sports modes with automatic activity recognition
• Advanced health tracking including heart rate, SpO₂, sleep, and stress
• AI voice control with Zepp Flow assistant
• Built-in microphone and haptic feedback motor
• Offline maps and real-time navigation
Specifications
| Category | Details |
|---|---|
| Brand | Amazfit |
| Model | T-Rex 3 |
| Display Type | AMOLED |
| Display Size | 1.5 inches |
| Resolution | 480 × 480 pixels |
| Pixel Density | 322 PPI |
| Protection | Gorilla Glass |
| Battery Capacity | 700 mAh |
| Battery Life | Up to 27 days (regular usage) |
| Charging Method | Magnetic charging base |
| Charging Time | Approximately 3 hours |
| Connectivity | Bluetooth 5.2, WiFi 2.4GHz |
| GPS | Dual-band GPS with 6 satellite systems |
| Water Resistance | 10 ATM (100 meters) |
| Dimensions | 48.5 × 48.5 × 13.75 mm |
| Weight | 68.3 g (without strap) |
| Operating System Compatibility | Android 7.0+, iOS 14.0+ |
| Companion App | Zepp App |
Build & Materials
| Category | Details |
|---|---|
| Bezel | Stainless Steel |
| Frame | Polymer |
| Buttons | 4 Physical Buttons |
| Strap Material | Liquid Silicone |
| Strap Width | 22 mm |
| Wrist Size | 145–210 mm |
| Closure | Classic Pin Buckle |
Sensors & Hardware
• BioTracker™ PPG biometric sensor with blood oxygen monitoring
• Accelerometer sensor
• Gyroscope sensor
• Geomagnetic sensor
• Barometric altimeter
• Ambient light sensor
• Temperature sensor
• Built-in microphone
• Linear motor for haptic feedback
Sports & Fitness Features
The Amazfit T-Rex 3 supports over 170 sports modes and intelligent activity recognition.
Key capabilities include:
• Track Run mode with trajectory correction
• Virtual pacer for running
• Strength training movement recognition
• Swimming tracking with lap analysis
• Cycling, hiking, climbing, and skiing tracking
• Custom workout templates through the Zepp app
Health Monitoring Features
• 24/7 heart rate monitoring
• Blood oxygen (SpO₂) tracking
• Stress level monitoring
• Skin temperature monitoring
• Sleep quality analysis with REM tracking
• PAI (Personal Activity Intelligence) health scoring
Navigation & Outdoor Tools
• Real-time GPS navigation
• Route import and tracking
• Direct return navigation
• Compass and barometric altimeter
• Weather forecast and storm alerts
• Sunrise and sunset tracking
• Moon phase information
Battery Life
| Usage Mode | Battery Life |
|---|---|
| Regular Usage | Up to 27 days |
| Heavy Usage | Up to 13 days |
| Battery Saver Mode | Up to 40 days |
| Clock Mode | Up to 81 days |
| Accurate GPS Mode | Up to 42 hours |
| Power Saving GPS | Up to 72 hours |
| Maximum GPS Mode | Up to 180 hours |
What’s in the Box
• Amazfit T-Rex 3 smartwatch
• Magnetic charging base
• Standard watch strap
• Instruction manual
Pros
• Extremely rugged design for outdoor use
• Long battery life compared to most smartwatches
• Accurate dual-band GPS tracking
• Extensive sports and fitness tracking modes
• Bright AMOLED display
Cons
• Slightly bulky for smaller wrists
• Limited third-party apps compared to Wear OS watches
Verdict
The Amazfit T-Rex 3 is a powerful rugged smartwatch designed for outdoor athletes and adventure enthusiasts. With its durable build, long battery life, advanced health tracking, and accurate GPS navigation, it is an excellent choice for users who need a reliable smartwatch for demanding environments.
Reviews
Clear filtersThere are no reviews yet.