Amazfit T-Rex smartwatches are ruggedly built for athletes who move beyond typical training.
T-Rex Smartwatches FAQ:
Is a paid subscription required for Amazfit T-Rex smartwatches?
Is a paid subscription required for Amazfit T-Rex smartwatches?
Are Amazfit T-Rex smartwatches built differently to be an outdoor watch?
Are Amazfit T-Rex smartwatches built differently to be an outdoor watch?
Which Amazfit T-Rex smartwatches have a built-in flashlight?
Which Amazfit T-Rex smartwatches have a built-in flashlight?
Are Amazfit T-Rex smartwatches compatible with iPhone and Android?
Are Amazfit T-Rex smartwatches compatible with iPhone and Android?
Can Amazfit T-Rex smartwatches help improve sleep quality?
Can Amazfit T-Rex smartwatches help improve sleep quality?
Which Amazfit T-Rex smartwatches have GPS?
Which Amazfit T-Rex smartwatches have GPS?
Can I make and receive phone calls from an Amazfit T-Rex smartwatch?
Can I make and receive phone calls from an Amazfit T-Rex smartwatch?
Can I run without my phone and still use maps and route tracking with the Amazfit T Rex?
Can I run without my phone and still use maps and route tracking with the Amazfit T Rex?
Are the Amazfit T-Rex smartwatches waterproof?
Are the Amazfit T-Rex smartwatches waterproof?
Why doesn't the T-Rex series smartwatch package include a USB-C cable?
Why doesn't the T-Rex series smartwatch package include a USB-C cable?
Who is Amazfit?
Who is Amazfit?
Trusted By Top Athletes
Customers Are Saying
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T-Rex Ultra 2
"The best watch I've ever had – the features and battery life are amazing!"
-Serge L. -
T-Rex 3 Pro (44mm)
"Easy to keep track of your progress and helps you develope a plan for your fitness goals."
-Joshua J.
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T-Rex 3 Pro (48mm)
"Great build quality, awesome features and amazing battery life. Reasonably priced. Highly recommend."
-Madhusudhan E.
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T-Rex 3
"I have owned Apple Watch, Fitbit and Garmin watches and find this one right up there with more expensive watches. I honestly have no negatives to say about this watch."
-David L.
Pay with HSA/FSA Savings
Simply follow these steps at checkout to use your FSA or HSA card:
1. Checkout as guest. Close the pop-up to confirm your identity if prompted.
2. For payment method, choose "Truemed - Pay with HSA/FSA". Truemed is also available under "Alternative Payment Methods"
Compare T-Rex Smartwatches
From training to expeditions, compare T-Rex models and find the right companion for your challenge.
T-Rex Ultra 2
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T-Rex 3 Pro 48mm
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T-Rex 3 Pro 44mm
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T-Rex 3
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|---|---|---|---|---|
| Display | 1.5" AMOLED | 1.5" AMOLED | 1.32" AMOLED | 1.5" AMOLED |
| Screen Material | Sapphire Glass | Sapphire Glass | Sapphire Glass | Corning® Gorilla® Glass |
| Peak Brightness | 3000 nits | 3000 nits | 3000 nits | 2000 nits |
| Bezel & Buttons | Grade 5 Titanium | Grade 5 Titanium | Grade 5 Titanium | Stainless Steel |
| Dimensions | 51 × 51 × 14.3mm | 48 × 48 × 14mm | 44.8 × 44.8 × 13.2mm | 48.5 × 48.5 × 13.75mm |
| Strap Attachment | 26mm Quick Release |
22mm Quick Release |
22mm Quick Release |
22mm Special Tool |
| Flashlight | ✓ | ✓ | ✓ | — |
| Audio | Microphone and Speaker | Microphone and Speaker | Microphone and Speaker | Microphone |
| Bluetooth Calls | ✓ | ✓ | ✓ | — |
| Workout Modes | 180+ | 180+ | 180+ | 170+ |
| Water Resistance | 10 ATM 45m Freediving |
10 ATM 45m Freediving |
10 ATM 45m Freediving |
10 ATM 45m Freediving |
| Typical Battery Life | Up to 30 Days | Up to 25 Days | Up to 17 Days | Up to 27 Days |
| Accurate GPS Mode | Up to 50 Hours | Up to 38 Hours | Up to 26 Hours | Up to 42 Hours |
The Amazfit T-Rex smartwatches are rugged GPS smartwatches for every kind of your outdoor activity, from intense fitness workouts to outdoor hikers and trail runners, to endurance athletes and extreme explorers, T-Rex has the durability and reliability you require.
Amazfit T-Rex 3
Amazfit T-Rex 3 is the ideal smartwatch for those entering the world of outdoor sports and adventure activities. Designed for hikers, rugged fitness, trail runners, backpackers, and hybrid environment fitness enthusiasts, it combines rugged durability with powerful navigation and exercise training features.
With powerful and accurate dual-band GPS, downloadable maps, voice control, AI coaching, over 170 sports modes, advanced health tracking, and more than three weeks of battery life, T-Rex 3 helps outdoor enthusiasts confidently explore trails, track workouts, and build healthy habits. Its military-grade durability, 2,000-nit AMOLED display, and extreme temperature resistance make it a dependable companion for hiking, trekking, camping, walking, cycling, and everyday fitness activities.
Best for: Outdoor adventurers, hikers, casual campers, fitness enthusiasts, trail runners, and users looking for a rugged GPS smartwatch with additional value and features for recovery, sleep, and health.
Amazfit T-Rex 3 Pro
The Amazfit T-Rex 3 Pro is available in two face sizes 44mm & 48mm to fit your personal needs. T-Rex 3 Pro is built for users ready to take their outdoor performance and fitness to the next level. Combining premium materials, advanced navigation tools, recreational diving support, route planning, Bluetooth calling, and over 180 sport modes, it is designed for athletes who demand more from their equipment.
The 48mm version is best for larger wrists and users seeking maximum screen size visibility and battery life. The 44mm version offers the same features with a slightly more compact face size for smaller wrists.
Featuring sapphire glass protection, a Grade 5 titanium bezel and buttons, six-satellite positioning, offline maps, POI search, and a built-in two-color LED flashlight, T-Rex 3 Pro is optimized for long-distance hiking, trail running, endurance racing, rucking, mountain adventures, recreational diving, and structured training programs.
Best for: Experienced hikers, trail runners, endurance athletes, multisport athletes, outdoor enthusiasts, recreational divers, and users seeking a premium rugged smartwatch for advanced training and exploration.
Amazfit T-Rex Ultra 2
The Amazfit T-Rex Ultra 2 is the flagship model in the T-Rex lineup, built for those who embrace outdoor uncertainty and refuse to be limited by where the day may lead. Whether you're navigating urban streets, hiking remote trails, fitness training in the wild outdoors, exploring underwater, or embarking on a multi-day adventure, T-Rex Ultra 2 is designed to adapt to changing environments without missing a beat.
Crafted with a full Grade 5 titanium bottom, bezel, and buttons, and protected by sapphire glass, it delivers exceptional durability for whatever challenges arise. Its vibrant 1.5-inch AMOLED display reaches up to 3,000 nits of peak brightness, ensuring excellent visibility whether you're under intense sunlight, in low-light conditions, or checking your route at night.
With dual-band GPS and six satellite positioning systems, full-color preloaded maps, turn-by-turn navigation, POI search, and downloadable contour maps, T-Rex Ultra 2 helps you stay confidently on course wherever your journey takes you. A built-in two-color LED flashlight, dual diving certifications, 10 ATM water resistance, and up to 30 days of battery life make it ready for unexpected moments, changing plans, and adventures without limits.
Best for: Explorers, multi-day adventure travelers, outdoor enthusiasts, endurance athletes, divers, or anyone seeking the most capable and versatile and rugged GPS smartwatch in the Amazfit lineup.















































