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Best in 7 days
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.
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Scratch-resistant sapphire glass with a vibrant 1.5" AMOLED display (48mm)
Scratch-resistant sapphire glass with a vibrant 1.32" AMOLED display (44mm) -
6 satellite system positioning with offline maps, route planning, and POI search
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180+ sport modes including hiking, rucking, and recreational diving.
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Built-in Two-Color LED Flashlight with Boost Mode
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Built-in Speaker and Microphone for Bluetooth Calling
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Military-grade design with a grade 5 titanium bezel and buttons
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Up to 25 days battery life (48mm)
Up to 17 days battery life (44mm)
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.
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.
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48mm
Up to 25 Days with Typical Use
Up to 38 Hours with Accurate GPS Mode
Up to 85 Hours with GPS Long Battery Life Mode
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44mm
Up to 17 Days with Typical Use
Up to 26 Hours with Accurate GPS Mode
Up to 60 Hours with GPS Long Battery Life Mode
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Real-Time Performance
See how you're performing compared to your previous workouts⁹. -
Zepp Coach™
Get personalized AI-generated training programs, including running plans for 5K, 10K, half and full marathons. -
Smarter Metrics
Track key performance metrics like VO₂ Max, Training Load, and Training Effect to optimize your training and make every workout count. -
PAI
Personal Activity Intelligence¹⁰ (PAI) is a simple health score based on your heart’s response to exercise, designed to help you track and improve cardiovascular fitness.
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Total Voice Control
Zepp Flow™ gives you full control of your watch using just your voice¹³. Easily adjust settings, check your Zepp Coach™ progress, and more. -
Message Replies
Type Android message replies¹⁴ using a full QWERTY keyboard or dictate them via speech-to-text. Zepp Flow™ optimizes your reply with suggestions or translations and sends it seamlessly. -
Bluetooth Peripherals
Connect to an action camera, heart rate belt, cadence meter, power meter, thermometer, speedometer, and more¹⁵.
