The Amazfit T-Rex 3: A Rugged Smartwatch Built for Everyday Adventures

The Amazfit T-Rex 3 is a rugged smartwatch that merges durability with smart features to create a versatile tool for those who love to stay active, whether scaling a mountain or simply going for a morning jog. Packed with upgrades from its predecessor, the T-Rex 3 aims to be the ultimate companion for anyone looking to explore the great outdoors—or just their own backyard.

Amazfit T-Rex 3

The T-Rex 3 boasts a large 1.5″ AMOLED display that shines brightly even under direct sunlight, peaking at 2,000 nits. This makes it easy to read your workout stats or check your map, whether you’re deep in a forest or cruising down a ski slope.

For night owls, there’s a Night Display mode that uses softer, colored lights to keep things easy on the eyes. This mode is perfect for late-night runs or navigating in low-light conditions.

Built like a tank, the T-Rex 3’s military-grade frame can handle extreme temperatures, shocks, and deep dives up to 45 meters. The stainless steel bezel adds a touch of refinement, while the watch’s durability means it’s tough enough to withstand anything from mud to freezing winds.

If you like to go off the beaten path, the T-Rex 3’s dual-band GPS and free offline maps have you covered. Whether you’re trekking through unfamiliar terrain or skiing down a slope, the watch provides precise positioning and turn-by-turn directions that can even be read aloud through connected Bluetooth headphones. Adventuring just got a lot more convenient.

The battery life is where the T-Rex 3 really shines. With typical use, you can expect over three weeks of life on a single charge, so you can forget about constantly hunting for an outlet on your travels. It can run up to 100 hours in continuous GPS mode for serious adventurers, meaning it won’t quit on you mid-hike or during a long trail run.

The T-Rex 3 offers over 170 sports modes for fitness buffs, including everything from traditional running and cycling to more extreme activities like freediving and skydiving.

Strength training enthusiasts will appreciate the intelligent rep and set tracking, which automatically detects your exercise type and tracks your form to help you refine your workouts. And if you’re looking for some coaching, Zepp Flow AI integration lets you control your watch with voice commands, set reminders, and even send speech-to-text messages—all without having to fumble with tiny buttons mid-exercise.

Privacy is increasingly important, and the T-Rex 3 stands out by letting you take control of your location data. Whether you prefer your GPS data stored in the cloud or not at all, you can customize your settings to keep your information as private as you want it to be.

But what if you’re not scaling cliffs or diving deep? The T-Rex 3 is still a great fit for those who live active lives on more everyday terms. It’s just as useful for a casual bike ride, a session at the gym, or a day at the beach.

Pair the T-Rex 3 with the Amazfit Helio Ring for a comprehensive fitness ecosystem. The T-Rex 3 tracks your workouts, while the Helio Ring quietly monitors your recovery and sleep, seamlessly syncing in the Zepp App.

The Amazfit T-Rex 3 was designed for those wanting more durability, adventure, and control from their smartwatch. If you’re ready to take your fitness and outdoor pursuits to the next level, this might just be the perfect wrist companion for your journey.

The Amazfit T-Rex 3 is available now, starting at $279.99. You can dive into the details and grab one from Amazfit or Amazon.

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About the Author

Judie Lipsett Stanford
Judie is the co-owner and Editor-in-Chief of Gear Diary, which she founded in September 2006. She started in 1999 writing software reviews at the now-defunct smaller.com; from mid-2000 through 2006, she wrote hardware reviews for and co-edited at The Gadgeteer. A recipient of the Sigma Kappa Colby Award for Technology, Judie is best known for her device-agnostic approach, deep-dive reviews, and enjoyment of exploring the latest tech, gadgets, and gear.

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