Stainless Steel & Mud-resistant Design

Built to withstand intense action, the Amazfit T-Rex Ultra is constructed with super-strong 316L stainless steel. The patented design of the mud-resistant bridge and buttons keep all kinds of sediment out of the hardware, while the adjustable lugs keep the watch comfortable even on physically challenging adventures.

Ultra-bright HD AMOLED Display

The watch’s HD AMOLED display can reach a peak brightness of 1,000 nits in strong outdoor light, providing ultra-clear visibility in any environment – even when you’re freediving underwater.

Military-grade Toughness

Resistant to extreme 70℃ heat and -40℃ cold (as well as humidity, shock and more) this rugged outdoor smartwatch has proved its toughness by passing 15 military-grade tests. And the specially designed circuitry system and battery enable the watch to function even in temperatures as cold as -30℃. Focus on your adventure and conquer the outdoors with confidence.

Dual-band GPS with Route Import & Navigation

The watch utilizes both L1 and L5 signals for incredibly precise dual-band GPS positioning, and supports six satellite systems for greater global coverage. Import a route file to the watch along with a corresponding Offline Map, and navigate with professional-level environmental understanding. The built-in compass and barometer, along with environmental reminders, keep you on-track and ready for adventure.

A Multi-environment Action Hero

The Amazfit T-Rex Ultra supports a wide range of land-based, water-based, and now air-based activities. The extensive list of over 160 built-in sports modes includes indoor and outdoor freediving modes as well as the extreme skydiving mode, and triathlon. The watch can even auto-detect eight sports movements, to make it easy to leap into action anytime.

A Titan of a Training Partner

The watch can auto-detect 25 strength training exercises and log corresponding muscle training data in the Zepp App. And for personalized planning, you can now input your characteristics into the Zepp Coach feature to receive scientific guidance, and create your own training templates for 11 sports. You can also share completed routes and activity data from your legendary adventures with fitness communities like Strava, adidas Running and Relive, along with smartphone apps like Apple Health and Google Fit.

24/7 Health Monitoring

Monitor your heart rate, blood-oxygen saturation and stress level, 24/7. The watch can also provide the crucial in-depth sleep monitoring that adventurers need to recover optimally, as well as real-time alerts for abnormal health metric readings, and even promts to check your

SpO₂ level at higher altitudes.

Mighty 20-day Battery Life

Experience energy beyond extinction, with battery life that can last a super-long 20 days.

The watch introduces a new Endurance GPS battery mode for those long-lasting hikes and climbs, plus a new Automatic GPS battery mode which intelligently adjusts GPS settings based on signal strength, to help conserve power.

Health-centered Zepp OS 2.0

Thanks to the powerful Bluetooth connectivity provided by the Zepp OS 2.0, the Amazfit T-Rex Ultra supports heart rate belts and cycling power meters.

The rich app ecosysem provided by the Zepp OS includes two new freediving-themed apps, and allows connection to your GoPro action camera.