Whether you are pushing your limits on a rugged trail, diving beneath the surface, or training for your next big race, the T-Rex 3 Pro is built for those who train without compromise. Crafted with tough, premium materials and packed with advanced features, it is made to withstand the harshest conditions while delivering precise tracking and performance insights. With all-day comfort and exceptional battery life, it keeps you connected to your goals and in control of every moment - no matter where your adventure takes you. Scratch-resistant sapphire glass with a vibrant 1.32" AMOLED display (44mm) 6 satellite system positioning with offline maps, route planning, and POI search 180+ sport modes including hiking, rucking, and recreational diving. Built-in Two-Color LED Flashlight with Boost Mode Built-in Speaker and Microphone for Bluetooth Calling Military-grade design with a grade 5 titanium bezel and buttons Up to 17 days battery life (44mm) Rugged by Design The T-Rex 3 Pro is built differently, just like you. Take on any adventure with military-grade toughness, dual diving certification, 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. Endure Any Environment Along with hardware that's resistant to temperatures as low as -40℃, the T-Rex 3 Pro features a smart Low Temperature Mode that, when enabled, keeps vital software functions of the watch operational in environments as cold as -30℃. Enable Low Temperature Mode and Glove Mode to stay in control even in extreme cold. Ski Mapping Find your nearest ski resort and navigate with detailed maps that include cable cars, color-coded slopes, and clear route guidance for groomed runs as well as off-piste, backcountry, or telemark routes. Industry-Leading GPS Accurately track every move, even under tall buildings or dense tree cover. Dual-band support from six satellite systems 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-resistance and certified for diving to a depth of 45m, the T-Rex 3 Pro is ready for all your freediving and scuba diving excursions. 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 notifications, 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 life 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.