Amazfit · Smartwatch
Amazfit T-Rex Ultra
Rugged AMOLED outdoor watch. 20-day battery, dual-band GPS, freediving mode.
DiscontinuedAmazfit no longer sells it new, so the price is its last list price.See current models
$399.99Amazfit →
Key specs
- Battery life
- 20 days
- GPS tracking
- 25 hr
- Charging
- 2 hr
- Weight
- 89g
- Case size
- 47mm
- Display
- AMOLED, always-on
- Water resistance
- 10 ATM (100m)
- Phone
- iPhone or Android
- Sensors
- Optical heart rate, SpO₂, Accelerometer, Gyroscope, Barometer, Compass, GPS, Altimeter, Microphone
The T-Rex Ultra is Amazfit’s outdoor / military-style watch — 100m water rating, freediving-capable, dual-band GPS, and a 20-day battery. AMOLED with always-on, music storage, and offline maps. The closest thing to a budget Fenix Ultra alternative.
Strengths
- 100m water rating for freediving
- 20-day smartwatch battery
- Offline maps included
Tradeoffs
- Heavy at 89g
- Discontinued — replaced by the T-Rex 3 and T-Rex Ultra 2
- No HRV or training-readiness metrics
Full specs
Specs and pricing verified
Loading full specs…
Common questions
- How much does the Amazfit T-Rex Ultra cost?
- The Amazfit T-Rex Ultra has a list price of $399.99.
- Does the Amazfit T-Rex Ultra require a subscription?
- No. The Amazfit T-Rex Ultra has no subscription — you pay for the hardware once and the Amazfit app is included.
- How long does the Amazfit T-Rex Ultra battery last?
- About 20 days of typical use per charge. Heavy GPS use, an always-on display, and continuous sensing all pull that number down.
- How much does the Amazfit T-Rex Ultra weigh?
- The 47 mm Amazfit T-Rex Ultra weighs 89 g.
- How big is the Amazfit T-Rex Ultra?
- The Amazfit T-Rex Ultra has a 47 mm case in the configuration we list, which weighs 89 g.
- Is the Amazfit T-Rex Ultra waterproof?
- The Amazfit T-Rex Ultra is rated 10 ATM (100m), which covers showering, swimming, and surface water sports. It is not a dive rating.
- Does the Amazfit T-Rex Ultra work with iPhone and Android?
- It pairs with both iPhone and Android.
- Is the Amazfit T-Rex Ultra still worth buying?
- The Amazfit T-Rex Ultra came out in 2023 and Amazfit has discontinued it, so new stock is limited and prices vary. Check it against the current smartwatch lineup before buying.