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The Amazfit T-Rex 3 Pro in Tactical Black is a rugged outdoor smartwatch with a 48mm Grade 5 titanium bezel, a 1.5" sapphire glass AMOLED display, offline maps, a two-colour LED flashlight, and up to 25 days of battery life.
Key specifications
- Display: 1.5" AMOLED, 480 x 480, 322 PPI, sapphire glass
- Battery life: Up to 25 days typical, 10 days heavy use
- GPS battery life: 38 hours accuracy mode, up to 116 hours max battery life mode
- Water resistance: 10 ATM, certified for freediving to 45 metres
- Build: Grade 5 titanium bezel and buttons, polymer middle frame
- Positioning: Dual-band, 6 satellite positioning systems
- Weight: 52g (without strap)
- Strap: 22mm silicone, fits 145–210mm wrists
- Software: Zepp OS 5, Android 7.0 and above, iOS 15.0 and above
Amazfit T-Rex 3 Pro — Tactical Black 48mm
Whether you are pushing limits on a rugged trail, diving beneath the surface, or training for your next race, the T-Rex 3 Pro is built for those who train without compromise. Tough premium materials, advanced tracking, and exceptional battery life keep you in control wherever your adventure takes you.
Features
- Scratch-resistant sapphire glass with a vibrant 1.5" AMOLED display
- 6 satellite system positioning with offline maps, route planning, and POI search
- 180+ sport modes including hiking, rucking, and recreational diving
- Built-in two-colour LED flashlight with Boost Mode
- Built-in speaker and microphone for Bluetooth calling
- Military-grade design with a Grade 5 titanium bezel and buttons
- Up to 25 days battery life
Explore the full range in Amazfit T-Rex.
Specification
| Colour | Tactical Black |
|---|---|
| Dimensions | 48mm × 48mm × 14mm |
| Weight | 52g (without strap) |
| Body material | Grade 5 titanium bezel & buttons, polymer middle frame |
| Buttons | 4 |
| Water-resistance Grade | 10 ATM |
| Display | Material AMOLED |
| Size | 1.5” |
| Resolution | 480x480 |
| PPI | 322 |
| Touchscreen | Sapphire Glass |
| Strap Materials | Silicone |
| Width | 22mm |
| Min. & Max. Wrist Dimensions | 145mm-210mm |
| Buckle | Classic pin buckle |
| Battery | Battery Capacity 700 mAh (rated value) |
| Charging Method | Magnetic charging base |
| Typical Usage | 25 days |
| Heavy Usage | 10 days |
| Accuracy GPS Mode | 38 hours |
| Power Saving GPS Mode | 74 hours |
| GPS | Long Battery Life Mode 85 hours |
| GPS | Max Battery Life 116 hours |
| Ultra-low Temperature (GPS On) | 25 hours |
| Ultra-low Temperature (GPS off) | 25 days |
| Health Sensors | BioTrackerTM 6.0 PPG biometric sensor(support blood-oxygen) |
| Movement Sensors | Acceleration sensor, Gyroscope sensor, Geomagnetic sensor, Air pressure sensor, Ambient light sensor, Temperature sensor |
| Connection | WLAN 2.4GHz. Bluetooth 5.2, BLE |
| Positioning | Dual band & 6 satellite positioning systems |
| Supported Devices | Android 7.0 and above, iOS 15.0 and above |
| Operating System | Zepp OS 5 |
| Application | Zepp App |
| Diving Certification | EN13319, ISO 6425, GB/T 18828 certification for freediving to 45 meters |
What's Included
- Smartwatch (including Standard Strap)
- Magnetic Charging Base (no cable)
- Instruction Manual
Amazfit
About the Amazfit 146-W2443EU1N
From our tech experts at CEN
A rugged titanium adventure smartwatch, tactical black 48mm, supplied by CEN.
Who it suits
Trail runners, divers and outdoor athletes who want a large 48mm titanium case and a stealthy tactical-black look. Suits bigger wrists and those who train across multiple sports.
Our tech experts advise
The 48mm case gives a larger display and more battery than the 44mm; if you prefer a smaller watch, the 44mm Tactical Black is identical otherwise. Specs are in the Specification tab.
Explore the full Amazfit range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Amazfit
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Frequently Asked Questions
Q: What is the difference between the T-Rex 3 Pro 44mm and 48mm?
A: The 44mm has a 1.32" 466 x 466 display, up to 17 days of typical battery life, a 20mm strap and weighs 46.8g without the strap. The 48mm has a 1.5" 480 x 480 display, up to 25 days of typical battery life, a 22mm strap and weighs 52g without the strap. Both have a Grade 5 titanium bezel, sapphire glass and 10 ATM water resistance.
Q: Can I dive with the Amazfit T-Rex 3 Pro?
A: It is rated 10 ATM and holds EN13319, ISO 6425 and GB/T 18828 certification for freediving to 45 metres, with recreational diving among its 180+ sport modes.
Q: Can I take calls on the T-Rex 3 Pro?
A: Yes. It has a built-in speaker and microphone for Bluetooth calling when connected to your phone.
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