---
product_id: 657258449
title: "T-Rex 3 Outdoor Rugged Military 48mm Smart Watch, Built in GPS, 27 Days Battery Life, Offline Maps, 2000 Nits Brightness, 10 ATM Water Resistance, AI Coach, for iOS & Android (Onyx)"
brand: "amazfit"
price: "฿22077"
currency: THB
in_stock: true
category: "Amazfit"
url: https://www.desertcart.co.th/products/657258449-t-rex-3-outdoor-rugged-military-48mm-smart-watch-built
store_origin: TH
region: Thailand
---

# 10 ATM water resistance 2000 nits AMOLED brightness 27 days battery life T-Rex 3 Outdoor Rugged Military 48mm Smart Watch, Built in GPS, 27 Days Battery Life, Offline Maps, 2000 Nits Brightness, 10 ATM Water Resistance, AI Coach, for iOS & Android (Onyx)

**Brand:** amazfit
**Price:** ฿22077
**Availability:** ✅ In Stock

## Summary

> ⛰️ Conquer every terrain with the smartwatch built for the unstoppable.

## Quick Answers

- **What is this?** T-Rex 3 Outdoor Rugged Military 48mm Smart Watch, Built in GPS, 27 Days Battery Life, Offline Maps, 2000 Nits Brightness, 10 ATM Water Resistance, AI Coach, for iOS & Android (Onyx) by amazfit
- **How much does it cost?** ฿22077 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/657258449-t-rex-3-outdoor-rugged-military-48mm-smart-watch-built)

## Best For

- amazfit enthusiasts

## Why This Product

- Trusted amazfit brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Next-Level Navigation:** Dual-band GPS with 6 satellite systems plus free offline global, contour, and snow maps keep you confidently on track wherever you roam.
- • **Unstoppable Battery Power:** Stay unplugged for up to 27 days on a single charge, with extended GPS modes lasting up to 180 hours for your longest adventures.
- • **AI-Powered Fitness & Control:** 170+ workout modes and AI coaching adapt to your goals, while GPT-4o voice commands let you manage your smartwatch hands-free like a pro.
- • **Endurance Meets Rugged Style:** Military-grade 316L stainless steel body withstands extreme temperatures from -22℉ to 158℉ and water depths up to 100m—built for the bold.
- • **Brilliant Visibility Anywhere:** AMOLED display with 2000 nits brightness ensures your data and maps are crystal clear, even under direct sunlight or with gloves on.

## Overview

The Amazfit T-Rex 3 is a rugged 48mm military-grade smartwatch featuring a blazing 2000 nits AMOLED display, 27-day battery life, and 10 ATM water resistance. Equipped with advanced dual-band GPS and offline maps, it supports over 170 workout modes and AI-driven training plans. Designed for extreme conditions and seamless smart control via GPT-4o voice commands, it’s the ultimate companion for outdoor enthusiasts and professionals alike.

## Description

Buy Amazfit T-Rex 3 Outdoor Rugged Military 48mm Smart Watch, Built in GPS, 27 Days Battery Life, Offline Maps, 2000 Nits Brightness, 10 ATM Water Resistance, AI Coach, for iOS & Android (Onyx) online at low price in India on desertcart.in. Check out Amazfit T-Rex 3 Outdoor Rugged Military 48mm Smart Watch, Built in GPS, 27 Days Battery Life, Offline Maps, 2000 Nits Brightness, 10 ATM Water Resistance, AI Coach, for iOS & Android (Onyx) reviews, ratings, features, specifications and browse more Amazfit products online at best prices on desertcart.in.

## Features

- Large, Bright Display: The AMOLED display can reach peak brightness of 2,000 nits; read your maps and workout data easily in any light. Night mode reduces eye strain in the dark, and Glove Mode keeps the screen responsive when wearing 2mm thick gloves.
- Built for Adventure: Endure any challenge with a 316L stainless steel bezel and buttons. The military-grade body can resist 158℉ heat and -22℉ cold. Water-resistant to 100m, wear it while surfing, or for freediving to a depth of 45m.
- 27 Days of Battery Life: The Amazfit T-Rex 3 can last for 27 days with typical use, 42 hours in GPS Accurate Mode, and up to 114 hours in GPS Long Battery Life Mode. With some settings disabled, GPS usage can even last up to 180 hours for long hikes.
- Free Maps & Advanced GPS: Download free global, contour, and snow maps. Track your adventures accurately with dual-band positioning, backed up by 6 satellite systems for fast connection. Get turn directions from your smartwatch as you go.
- 170+ Workout Modes & AI Training Plans: Explore 170+ workout modes including hiking, strength training, ultramarathon, surfing, skiing, and more. Get personalized AI-generated training plans, real-time performance updates, and more.
- Take Charge with AI: Fully control your smart watch with your voice thanks to Zepp Flow powered by OpenAI's GPT-4o technology, and send speech-to-text message replies to Android apps like WhatsApp.
- Enhanced Privacy Protection: Amazfit T-Rex 3 offers top-tier data protection from desertcart Web Services, ensuring GDPR compliance. Take full control of your privacy by choosing to enable or disable GPS data storage.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Amazfit |
| Manufacturer | Anhui Huami Information Technology Co., Ltd, Anhui Huami Information Technology Co., Ltd, Room 1201, Building A4, National Animation Industry Base, No. 800 Wangjiang West Road,Gaoxin District,Hefei |
| Series | T-rex 3 |
| Colour | Onyx |
| Item Height | 7.2 Centimeters |
| Item Width | 11.2 Centimeters |
| Standing screen display size | 1.5 Inches |
| Product Dimensions | 11.3 x 11.2 x 7.2 cm; 68.04 g |
| Batteries | 1 CR5 batteries required. (included) |
| Item model number | A2323-Black |
| Connectivity Type | Bluetooth |
| Wireless Carrier | Unlocked |
| Wireless Type | Bluetooth |
| Wattage | 1.05 Watts |
| Operating System | Zepp OS |
| Average Battery Life (in hours) | 27 Days |
| Are Batteries Included | Yes |
| Lithium Battery Energy Content | 700 Milliampere Hour (mAh) |
| Number of Lithium Ion Cells | 1 |
| Number of Lithium Metal Cells | 1 |
| Included Components | Amazfit T-rex 3*1, Charging Base *1, User Manual*1 |
| Manufacturer | Anhui Huami Information Technology Co., Ltd |
| Item Weight | 68 g |

## Product Details

- **Battery Capacity:** 700
- **Connectivity Technology:** Bluetooth
- **Memory Storage Capacity:** 26 GB
- **Operating System:** Zepp OS

## Images

![T-Rex 3 Outdoor Rugged Military 48mm Smart Watch, Built in GPS, 27 Days Battery Life, Offline Maps, 2000 Nits Brightness, 10 ATM Water Resistance, AI Coach, for iOS & Android (Onyx) - Image 1](https://m.media-amazon.com/images/I/71GtgMbKvKL.jpg)

## Frequently Bought Together

- Amazfit T-Rex 3 Outdoor Smart Watch 48mm AMOLED Display, Offline Maps & Navigation, 6 Satellite Systems Dual Band GPS, 27 Days Battery Life, 170+ Sports Mode, 45m Freediving for Android, iPhone
- Aemus Screen Protector Compatible for Amazfit T-Rex 3 Rugged/Military Smart Watch (3 Pack) Tempered Glass Protector Clear Film
- Compatible with Amazfit T-Rex 3 Case, Scratch-Resistance TPU Military Protection Rugged Cover Case for Amazfit T-Rex 3 Smartwatch Accessories (Black)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-22*