---
product_id: 724431570
title: "Amazfit T-Rex Ultra Smart Watch 47mm for Men, 20-Day Battery Life, 30m Freediving, Dual-Band GPS, Mud-Resistant, 100m Water-Resistant, Military-Grade Outdoor Sports Watch, for Android iPhone, Black"
brand: "amazfit"
price: "₩1187367"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/724431570-amazfit-t-rex-ultra-smart-watch-47mm-for-men-20
store_origin: KR
region: South Korea
---

# 30m freediving support 20-day battery life Dual-band GPS precision Amazfit T-Rex Ultra Smart Watch 47mm for Men, 20-Day Battery Life, 30m Freediving, Dual-Band GPS, Mud-Resistant, 100m Water-Resistant, Military-Grade Outdoor Sports Watch, for Android iPhone, Black

**Brand:** amazfit
**Price:** ₩1187367
**Availability:** ✅ In Stock

## Summary

> 🌟 Gear up for the wild with the Amazfit T-Rex Ultra — where toughness meets tech!

## Quick Answers

- **What is this?** Amazfit T-Rex Ultra Smart Watch 47mm for Men, 20-Day Battery Life, 30m Freediving, Dual-Band GPS, Mud-Resistant, 100m Water-Resistant, Military-Grade Outdoor Sports Watch, for Android iPhone, Black by amazfit
- **How much does it cost?** ₩1187367 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/724431570-amazfit-t-rex-ultra-smart-watch-47mm-for-men-20)

## 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

- • **Pinpoint Navigation:** Dual-band GPS with six satellite systems ensures you never lose your way.
- • **Rugged Meets Refined:** Military-grade toughness with mud-resistant stainless steel design built for extremes.
- • **Unstoppable Endurance:** Power through 20 days of non-stop adventure with ultra-efficient battery modes.
- • **Dive Deep, Stay Connected:** Freedive up to 30 meters and conquer water sports with 100m water resistance.
- • **Adventure-Ready Smart Sync:** Seamlessly connect to health apps, GoPro, and music for a fully integrated outdoor experience.

## Overview

The Amazfit T-Rex Ultra is a military-grade outdoor smartwatch featuring a durable 316L stainless steel and mud-resistant design, a vibrant 1,000-nit AMOLED display, and a massive 20-day battery life. It supports freediving up to 30 meters and withstands water pressure equivalent to 100 meters, making it ideal for all water sports. Equipped with dual-band GPS and six satellite systems, it offers precise navigation and route tracking. Built to endure extreme temperatures from -30℃ to 70℃, it integrates advanced sensors like compass, barometer, and environmental alerts, while syncing effortlessly with popular fitness and action apps for a seamless adventure experience.

## Description

Amazfit T-Rex Ultra Smart Watch 47mm for Men, 20-Day Battery Life, 30m Freediving, Dual-Band GPS, Mud-Resistant, 100m Water-Resistant, Military-Grade Outdoor Sports Watch, for Android iPhone, Black

## Features

- Stainless Steel & Mud-resistant Design: Constructed with super-strong 316L stainless steel and a patented mud-resistant bridge and buttons, Amazfit T-Rex Ultra is built to withstand any kind of action. The smartwatch's HD AMOLED display can reach a peak brightness of 1,000 nits for ultra-clear visibility in any environment. Adjustable lugs ensure maximum comfort for the entirety of your epic adventures, and you can enjoy ultimate control with a responsive touchscreen and four convenient buttons.
- 30m Freediving Support: As the ultimate multi-environment outdoor smartwatch, the Amazfit T-Rex Ultra supports indoor and outdoor freediving to a depth of up to 30 meters. It can also resist the equivalent of up to 100 meters’ water pressure, making it perfect for all your swimming, surfing and kitesurfing activities.
- Dual-band GPS & Route Navigation: The smartwatch utilizes both L1 and L5 signals for incredibly precise dual-band GPS positioning, and supports six satellite systems for greater global coverage. Import a route file to the watch along with a corresponding Offline Map, and navigate with professional-level environmental understanding.
- Mighty 20-day Battery Life: Experience energy beyond extinction, with battery life that can last a super-long 20 days. The sports watch also introduces a new Endurance GPS battery mode for those who love to lose themselves in nature for long periods of time, plus a new Automatic GPS battery mode which intelligently adjusts GPS settings based on signal strength, to help conserve power.
- -30℃ Ultra-low Temperature Operation: Built for the brave, the watch is tough enough to be operated in extreme temperatures as low as -30℃, thanks to its specially designed circuitry system and battery. So not only can the watch body physically resist the cold, but you can keep using the watch's functions as the conditions get more intense.
- Military-grade Toughness: Resistant to extreme 70℃ heat and -40℃ cold - as well as humidity, shock and more - this outdoor smartwatch has proved its toughness by passing 15 military-grade tests. Understand your surroundings better with the built-in compass and barometer, along with environmental reminders and a host of other useful features.
- Sync To Your Favorite Health Apps: Share completed routes and activity data from your legendary adventures with fitness communities like Strava, adidas Running, Komoot and Relive, along with smartphone apps like Apple Health and Google Fit.
- Ready for Action Shots: Thanks to the powerful Bluetooth connectivity the Amazfit T-Rex Ultra supports music playback, heart rate belts and cycling power meters and can even connect to your GoPro action camera. Connection: WLAN 2.4GHz, Bluetooth 5.0 BLE.
- Prepared for Any Adventure: Brave your journey with the T-Rex Ultra smartwatch adventure features including - Compass, Air Pressure, Altitude, Altitude SpO₂, Sunrise / Sunset, Ocean Tides, Storm Warning Alerts, and Freediving Water Temperature
- Supported Devices: Compatible with Android 7.0 and above, iOS 12.0 and above devices.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Abyss Black |
| Band Color | black |
| Style Name | Smart Watch Only |
| Item Shape | Round |
| Compatible Phone Models | Android 7.0 and above, iOS 12.0 and above |
| Compatible Devices | Android 7.0 and above, iOS 14.0 and above |
| Display Type | AMOLED |
| Screen Size | 1.3 Inches |
| Battery Average Life | 480 Hours |
| Battery Cell Type | Lithium Polymer |
| Item Dimensions | 1.86 x 1.86 x 0.53 inches |
| Waterproof Rating | IP68 |
| Warranty Type | Limited |
| Communication Feature | Voice Call,Notification,Text Message |
| Wireless Compability | Bluetooth |
| Wireless Provider | BASE |
| Connectivity Technology | GPS |
| Human-Interface Input | Touchscreen, Buttons |
| Clasp Type | Tang Buckle |
| Supported Application | GPS |
| Water Resistance Depth | 100 Meters |
| Controller Type | iOS, Android |
| Metrics Measured | battery |
| Case Material Type | Stainless Steel |
| Water Resistance Level | Water Resistant |
| Sport Type | Fitness |
| Closure Type | Buckle |
| Operating System | Zepp OS |
| Additional Features | Mud-resistant, Altitude Assistant, 30m Freediving Support, Ultra-low Temperature Operation |
| GPS Geotagging Functionality | GPS Enabled |
| Band Material Type | Stainless Steel |

## Product Details

- **Operating system:** Zepp OS
- **Memory storage capacity:** 2.3 GB
- **Special features:** 30m Freediving Support, Altitude Assistant, Mud-resistant, Ultra-low Temperature Operation
- **Battery capacity:** 700
- **Connectivity technology:** GPS

## Images

![Amazfit T-Rex Ultra Smart Watch 47mm for Men, 20-Day Battery Life, 30m Freediving, Dual-Band GPS, Mud-Resistant, 100m Water-Resistant, Military-Grade Outdoor Sports Watch, for Android iPhone, Black - Image 1](https://m.media-amazon.com/images/I/71w6yIZ4i4L.jpg)
![Amazfit T-Rex Ultra Smart Watch 47mm for Men, 20-Day Battery Life, 30m Freediving, Dual-Band GPS, Mud-Resistant, 100m Water-Resistant, Military-Grade Outdoor Sports Watch, for Android iPhone, Black - Image 2](https://m.media-amazon.com/images/I/61W9LjmjyML.jpg)
![Amazfit T-Rex Ultra Smart Watch 47mm for Men, 20-Day Battery Life, 30m Freediving, Dual-Band GPS, Mud-Resistant, 100m Water-Resistant, Military-Grade Outdoor Sports Watch, for Android iPhone, Black - Image 3](https://m.media-amazon.com/images/I/71dZ6cw3E4L.jpg)
![Amazfit T-Rex Ultra Smart Watch 47mm for Men, 20-Day Battery Life, 30m Freediving, Dual-Band GPS, Mud-Resistant, 100m Water-Resistant, Military-Grade Outdoor Sports Watch, for Android iPhone, Black - Image 4](https://m.media-amazon.com/images/I/61uRvOpVgQL.jpg)
![Amazfit T-Rex Ultra Smart Watch 47mm for Men, 20-Day Battery Life, 30m Freediving, Dual-Band GPS, Mud-Resistant, 100m Water-Resistant, Military-Grade Outdoor Sports Watch, for Android iPhone, Black - Image 5](https://m.media-amazon.com/images/I/81RjOq1iEpL.jpg)

## Questions & Answers

**Q: So; first on the market was the amazfit pro; then cames out the amazfit pro-2 and now the newest is the amazfit pro ultra?**
A: The very first model for the T-Rex line is the T-Rex and in the order after are T-Rex Pro, T-Rex 2, and T-Rex Ultra. 

Michael | Amazfit Support

**Q: Any reviews about the pro ultra? i only found from the pro and the pro-2. the ultra price is twice of the pro 2 so i want to read opinions from users**
A: I like it better than my 300 Dollar watch but it has no sound, the watch has a listen to music option but you can't.

**Q: Que diferencia hay , entre el t rex pro 2 y este reloj ??**
A: Eso no lo sé pero son los mismos en la descripción del reloj está está ha salido muy bueno lo mejor es la duración de la batería

**Q: Why is the t-rex ultra so expensive? the additional build quality and minor features simply don't justify the high expense**
A: It's a bit more rugged and capable of tougher use. The price point is really up to you.  I went with the T-Rex 2 to get to a price point I thought was more feasible.

## Frequently Bought Together

- Amazfit T-Rex Ultra Tactical Smart Watch for Men 47mm, Military-Grade Sports Watch, Dual-Band GPS, 20-Day Battery, Android & iPhone, Black
- Supershieldz (3 Pack) Designed for Amazfit T-Rex and Amazfit T-Rex Pro Tempered Glass Screen Protector, Anti Scratch, Bubble Free
- SMITHA Watch Bands Compatible with Huami Amazfit T-Rex/T-Rex 2/T-Rex Pro/T-Rex Ultra, Rugged Nylon Sports Strap With Woven Loop Design

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.kr/products/724431570-amazfit-t-rex-ultra-smart-watch-47mm-for-men-20](https://www.desertcart.kr/products/724431570-amazfit-t-rex-ultra-smart-watch-47mm-for-men-20)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-22*