The Amazfit T-Rex 3 Pro AMOLED 1.5" GPS 10 ATM black 27 days battery life smartwatch is created for everyone who lives dynamically and is looking for robust yet modern wearable technology for every adventure. It is designed for users who demand durability, long battery life, and advanced activity and health monitoring features even in the most demanding conditions.

Evaluation of key product features

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This smartwatch is the perfect choice for anyone looking for a functional accessory for sports, professional and everyday activities. It will be most appreciated by those who are passionate about exploring nature, high-intensity training or simply actively monitoring their fitness.

Its most recognizable advantage is its exceptional battery with up to 27 days of autonomy and a 1.5" color AMOLED display, which allows for excellent visibility even outdoors. GPS connectivity ensures accurate route tracking during hikes, runs, and cycling. The silicone strap ensures comfortable and breathable wear in all conditions, while the robust design withstands even the most demanding challenges.

The smartwatch is water resistant up to 10 ATM, which means it is not afraid of bad weather or the pool. The function of playing music directly from the wrist and the ability to call via Bluetooth allow independence from the phone during exercise. Although the Slovenian menu is not available, the user interface is simple and clear, making it easy to use for all generations of users.

It uses advanced customization features to track activity, detect different sports, and provide basic heart rate and sleep monitoring. Its modern black design allows for effortless pairing with both urban and sporty outfits, regardless of the occasion.

Screen
Screen diagonal: 3.81 cm (1.5")
Display technology: AMOLED
Brightness: 3000 cd/m²
Pixel density: 322 ppi
Display type: Digital
Screen resolution: 480 x 480 pixels
Function: Touch screen
design
Strap material: Silicone
Lens material: Sapphire
Shape: Round
Market positioning: Smartwatch
Watch case size: 48 mm
Watch case color: black
Watch case material: Polymer, titanium
Bracelet color: black
Protection function: Waterproof
Water resistance up to: 45 m
Water resistance: 10 ATM
Services
Feature: Built-in microphone
Feature: Built-in speakers
Features
Feature: Sleep quality
Feature: SOS alarm function
network
Function: GPS
Connections and interfaces
Function: Bluetooth
Function: Wi-Fi
energy
Battery type: Integrated battery
Battery/battery capacity: 700 mAh
Battery life: 27 days
Weight and dimensions
Weight: 52 g
Dimensions (W x D x H): 48 x 48 x 14 mm


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User view

The Amazfit T-Rex 3 Pro smartwatch is the choice of many active individuals looking for a durable companion for sports, leisure and everyday challenges. With a long battery life and water resistance, it is perfect for adventurers, hikers, fitness enthusiasts and anyone who appreciates reliable health monitoring and notifications without constant charging. It is precisely because of Amazfit's confidence in durability and modern design that this model is often the first choice for urban users, as well as those who like to spend time in nature or on trips.

If you're still unsure which smartwatch is right for you, check out our smartwatch guide , where you'll find practical advice and comparisons regarding features, size, and usability.

Why buy at Enaa

Enaa makes it easy to order a proven selection of smart devices and offers extensive customer support, which is why consumers often decide to buy from us. The wide range allows you to compare different models and quickly find the right watch for you, and you can always count on up-to-date information and a professional team that understands your needs.

Answers to frequently asked questions

What does 10 ATM water resistance mean on the Amazfit T-Rex 3 Pro watch?

This means that the watch is resistant to water pressure up to 100 meters deep, making it suitable for swimming and water sports, but not recommended for scuba diving.

Does the watch allow you to track multiple sports activities?

Yes, the Amazfit T-Rex 3 Pro supports a variety of sports modes, including running, cycling, hiking, and many other workouts that you can customize to your interests.

How long does the battery last in everyday use?

The battery lasts up to 27 days when used in standard mode, meaning less worry about frequent charging and reliable activity tracking throughout the month.

Does the watch allow GPS tracking without a phone?

Yes, the built-in GPS in the watch allows for accurate route tracking even without a connection to your phone, which is crucial for runners and hikers who want complete freedom of movement.

How to choose the right smartwatch based on how you use it?

The choice depends on the features, design, and battery life you want. If you need more information, check out our guide to choosing a smartwatch .

Description updated: March 2026