Rugged by Design

The T-Rex 3 Pro is built different, just like you. Take on any adventure with military-grade toughness¹, dual diving certification², a scratch-resistant sapphire glass screen, and a vibrant 3000-nit AMOLED display that stays clear even under direct sunlight. This ultra-high brightness ensures exceptional visibility in any outdoor condition, so your data is always easy to read. All of it is framed by a corrosion-resistant, high strength grade 5 titanium bezel. Whether you prefer the larger display of the 48mm model or the compact fit of the 44mm model, this outdoor watch will go the distance with you.

Points of Interest Search

Need lodging or the nearest convenience store for a quick pit stop? With offline maps³, search nearby points of interest right from your watch.

Industry-Leading GPS

Accurately track every move, even under tall buildings or dense tree cover. Dual-band support from six satellite systems⁵ delivers a fast, reliable connection, ideal for demanding outdoor adventures from rugged hikes to intense trail races.

Every Beat Counts

The T-Rex 3 Pro is equipped with our advanced BioTracker™ sensor, delivering highly accurate heart-rate tracking even in challenging outdoor conditions. For those who want to push precision to the limit, pair it with the Helio Strap — our industry-leading arm-worn heart-rate monitor. Together, they provide pro-grade accuracy you can rely on, from steep hikes to intense trail races, ensuring every training decision is backed by the most precise data possible.

Built for Every Adventure

With over 180 sport modes, including winter sports like skiing and snowshoeing, it adapts seamlessly to your training lifestyle and helps you perform at your best every step of the way. From the ocean to the mountains, the T-Rex 3 Pro is designed to keep up with you.

Pro-Grade Waterproofing

With 10 ATM water-resistance⁶ and certified for diving to a depth of 45m, T-Rex 3 Pro is built for underwater exploration. New Auto Dive Detection automatically recognizes when a dive begins, making it easier to capture depth, duration, and dive performance without manually starting an activity.

When the Trail's Dark, Stay Bright

Train earlier, go longer, and stay visible with a built-in two-color flashlight made for low light and late hours. Choose soft red for low interference, bright white for clarity, switch to Boost Mode for powerful visibility when it's needed. An SOS signal adds extra peace of mind wherever you roam.

Stay Connected Without Stopping

Take Bluetooth calls from the trail, use Zepp Flow™ to reply to instant messages hands-free, listen to training notifications⁷, and more with the built-in speaker and mic. The T-Rex 3 Pro lets you do more, from anywhere.

Zepp App, Powering Amazfit

Your free companion for checking nutrition, fitness progress, sleep recovery, and trends is now able to simultaneously connect different Amazfit devices, like the Helio Strap, for advanced data fusion that sharpens training analysis — all in one easy-to-use app.

Up to 2-3 Weeks of Battery Life

Designed to keep up with your longest adventures, this watch delivers exceptional battery life⁸ so you can focus on the journey, not the charger. Whether you’re tackling multi-day treks, race weeks, or remote missions, it stays powered when you need it most.

Proven by UTMB Champions

In 2025, Ruth Croft - one of the world's top trail runners - won the toughest 100-mile mountain race with Amazfit T-Rex 3 Pro. Alongside her, American runner Rod Farvard placed in the top 10 on the same brutal course.When a watch performs in the world's hardest conditions, you know it's ready for your toughest adventures.