Description
Outdoor-ready build
Amazfit T-Rex 3 Rugged/Military Smart Watch targets hikers, swimmers, and field sports with a body that cleared 15 military-grade tests. A 316L stainless steel bezel and buttons help it operate from -22°F up to 158°F.
1.39″ AMOLED visibility
The 1.39″ HD AMOLED panel stays readable in sun glare at up to 2,000 nits peak brightness. Always-on time and stats stay visible; Night mode softens low-light viewing, and Glove Mode keeps touch active with gloves up to 2 mm thick.
Navigation on the wrist
High-precision GPS uses dual-band positioning with six satellite systems for quick lock and route accuracy. Download free global, contour, and snow maps, then follow turn directions during activities.
Training library
More than 170 workout modes cover hiking, strength work, ultramarathon, surfing, skiing, and similar sports. AI-generated training plans and live performance feedback support structured sessions.
Wellness sensors
Monitor heart rate, blood oxygen saturation, stress, and sleep quality from the same rugged case.
Power figures
| Typical daily use | Up to 27 days |
| GPS Accurate Mode | 42 hours |
| GPS Long Battery Life Mode | Up to 114 hours |
| Extended GPS (selected settings off) | Up to 180 hours |
Water rating
10 ATM resistance (328 feet) suits swimming, snorkeling, and surfing, with freediving use listed to 147 feet.
Connected tools
Incoming call alerts appear on the watch and can be declined from the wrist; the watch does not place standalone cellular calls. Zepp Flow, powered by OpenAI’s GPT-4o, enables voice control, plus speech-to-text replies to Android apps such as WhatsApp.
Data controls
Privacy safeguards run on Amazon Web Services infrastructure with GDPR alignment, including the option to turn GPS data storage on or off.
Device support
Compatible with Android 5.0 and newer and iOS 10.0 and newer.
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