Amazfit T-Rex 3 Pro
Rugged AMOLED upgraded — sapphire glass, brighter 3,000-nit screen and improved dual-band GPS.
The Amazfit T-Rex 3 Pro (2025) is a sport watch with a list price of $379 in our database. It is rated for about 25 days per charge, weighs 70 g with a 48 mm case and an AMOLED display, and includes built-in GPS, blood-oxygen (SpO₂), on-device music, offline maps and swim tracking. It works with both iPhone and Android.
Specs last updated
Specifications
What it is good at
- Long battery: rated about 25 days per charge, more than 82% of the sport watches in our database.
- Water-ready: rated 10ATM, suitable for swimming and surface water sports.
- Bright, vivid AMOLED display.
Best for
Features
Who should skip it
- You have a small wrist (under about 160 mm) — the 48 mm case we list is large (check whether a smaller size is sold).
- You want something light enough to sleep in — it weighs 70 g.
Where it ranks #1 in our quiz
The Amazfit T-Rex 3 Pro is the top pick for these standard profiles. Each page shows the full scoring breakdown.
Frequently asked questions
How long does the Amazfit T-Rex 3 Pro battery last?
The manufacturer rates it at about 25 days per charge. Always-on display, constant GPS and cellular use shorten that. Among the 29 sport watches in our database it beats about 82% on rated battery life.
Does the Amazfit T-Rex 3 Pro work with iPhone and Android?
It works with both iPhone and Android.
Can I swim with the Amazfit T-Rex 3 Pro?
10ATM is suitable for swimming and surface water sports. It is not a dive rating unless the maker says so. It also has a swim-tracking mode.
How much does the Amazfit T-Rex 3 Pro cost?
Our database lists $379 (May 2026). That is a list price, not today's price, so check the Amazon listing before you buy.
Who should not buy the Amazfit T-Rex 3 Pro?
It is a poor fit if any of these apply. You have a small wrist (under about 160 mm) — the 48 mm case we list is large (check whether a smaller size is sold). You want something light enough to sleep in — it weighs 70 g.