Home > Round models > Amazfit T-Rex 3
Amazfit T-Rex 3 smartwatch
Up to 27 days of battery, dual-band GPS and offline maps. A tough model with 10 ATM water resistance.
Advertising: this page contains affiliate links for Rakuten Affiliate and Amazon Associates. Prices are as of November 12, 2026; please check the latest price and stock on the linked page.
Specifications
| Display size | |
|---|---|
| Resolution | 480 × 480 |
| Battery (typical use) | Battery up to 27 days |
| Water resistance | Water resistance 10 ATM |
| Silk support | Supported |
| Companion app | Zepp app (iPhone and Android) |
Key features
Key features: Dual-band GPS and route navigation / military-grade durability / GPX data import
A tough model with 10 ATM water resistance, dual-band GPS and offline maps, and battery life of up to 27 days. The 1.5 in. 480 × 480 display makes it suitable for extended outdoor use.
More to enjoy: watch faces and mini apps
This model supports the SOUNDEARTH Silk watch face, whose data items can be placed freely. See the watch face page for details.
We also publish free mini apps — see the mini apps page.
FAQ
How long does the battery of the Amazfit T-Rex 3 last?
Up to 27 days under typical use
Can I use it with an iPhone?
Yes. Amazfit smartwatches work with both iPhone and Android through the Zepp app.
Can I change the watch face?
Yes. Watch faces can be added and changed from the store in the Zepp app. This model also supports SOUNDEARTH Silk.