---
product_id: 654443361
title: "T-Rex 3 Rugged/Military Smart Watch 48mm, GPS (with Privacy), Offline Maps, Long Battery Life,328 Feet Water-Resistant, 170 Fitness/Sport Modes, AI, Voice Control, for Android or iPhone, Black"
brand: "amazfit"
price: "¥70112"
currency: JPY
in_stock: true
reviews_count: 13
category: "Amazfit"
url: https://www.desertcart.jp/products/654443361-t-rex-3-rugged-military-smart-watch-48mm-gps-privacy
store_origin: JP
region: Japan
---

# 2000 nits ultra-bright AMOLED 27-day battery life 316L stainless steel rugged build T-Rex 3 Rugged/Military Smart Watch 48mm, GPS (with Privacy), Offline Maps, Long Battery Life,328 Feet Water-Resistant, 170 Fitness/Sport Modes, AI, Voice Control, for Android or iPhone, Black

**Brand:** amazfit
**Price:** ¥70112
**Availability:** ✅ In Stock

## Summary

> 🦖 Rugged tech that outlasts your hustle — conquer every terrain in style!

## Quick Answers

- **What is this?** T-Rex 3 Rugged/Military Smart Watch 48mm, GPS (with Privacy), Offline Maps, Long Battery Life,328 Feet Water-Resistant, 170 Fitness/Sport Modes, AI, Voice Control, for Android or iPhone, Black by amazfit
- **How much does it cost?** ¥70112 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/654443361-t-rex-3-rugged-military-smart-watch-48mm-gps-privacy)

## 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

- • **Fitness Meets AI:** 170+ sport modes plus AI-driven training plans keep your fitness game sharp and personalized.
- • **Endurance Champion:** Stay unplugged longer with an epic 27-day battery life, or 180 hours in GPS mode for your longest adventures.
- • **Precision Navigation:** Dual-band GPS with six satellite systems delivers lightning-fast, pinpoint location tracking worldwide.
- • **Unmatched Visibility:** Read maps & stats clearly even in direct sunlight with a blazing 2000-nit AMOLED display.
- • **Military-Grade Durability:** Engineered to endure extreme temps (-22°F to 158°F) and water depths up to 328 feet—built for the bold.

## Overview

The Amazfit T-Rex 3 is a 48mm military-grade smartwatch designed for extreme conditions, featuring a 2000-nit AMOLED display, 27-day battery life, and water resistance up to 328 feet. It offers advanced GPS with dual-band positioning and six satellite systems, supports over 170 fitness modes with AI training, and integrates health monitoring and voice control for seamless, durable performance on any adventure.

## Description

The Amazfit T-Rex 3 tactical smart watch is designed for the adventurous individual seeking durability and versatility in their smartwatch. This smartwatch for men and women combines ruggedness with advanced technology, making it an ideal choice for outdoor enthusiasts. With a 48mm military-grade build, it resists extreme temperatures from 158°F to -22°F and is water-resistant up to 328 feet, perfect for surfing and freediving. This Amazfit watch boasts an impressive 27-day battery life, providing reliability even on extended expeditions. Its vibrant AMOLED display reaches peak brightness of 2,000 nits, allowing you to view maps and workout data clearly, even in bright sunlight or challenging conditions. As a GPS watch, it provides dual-band positioning with six satellite systems, ensuring precise tracking for your adventures. The Amazfit T-Rex 3 not only serves as a GPS watch but also includes health monitoring features, such as a heart monitor watch and a smart watch blood pressure monitor, keeping you informed of your biometric data. Stay connected with its capabilities as a smartwatch that can call and text, offering seamless communication. It is one of the premier smart watches for men and women, Android compatible, catering to those with dynamic lifestyles. Plus, with over 170 workout modes and AI training plans, this health tracker watch supports enduring fitness pursuits. Whether you seek a smartwatch for women or men smart watches, the Amazfit T-Rex 3 caters to a wide array of users, providing an extensive suite of functions and an authoritative design for any adventurer.

Review: Durable and bright - I switched from an Apple Watch to the TRex. The main reason I wanted to switch was battery life. The Apple Watch at best could get 24-30 hours, but general use 24hrs was my average. I looked at the Garmin Fenix 8 but I really just didn’t want to pay that price. I watched review after review and felt the TRex was the right fit for my needs. Concerns before I purchased: - messaging - calls - no Speaker I have had the device now for about 45 days. Durability - this is a solid watch. I have been doing a full kitchen gut and remodel. I have warn this watch the whole time and it looks like me. No scratches or evidence of any damage. Battery Life - I think confidently 18 days is consist. The first few days I was messing with the settings and looking it over a lot so battery was only 10 days after charging to 90%. I think you could get even more if I turned off notifications and brightness down. Navigation and menus - the OS is really smooth. Very fast to respond. I like the mix of buttons and touch screen. Especially when you have gloves on and such Insights and Health - I think it is far more accurate on steps than my Apple Watch. I wore both watch’s on the same wrist for a full day and I never realized how many non steps my Apple Watch was picking up. I was sitting and typing at my desk. The Apple Watch picked up a nearly 100 phantom steps. The TRex picks up stress pretty well. It notices when I am thinking about a topic that is stressing me, like “is my flooring going to arrive in time?” Or “we only have x hours to complete this before the contractors are here!” Lots of good health habit reminders and such. I am looking forward to getting more use out of them once this project is over. Price, quality, and worry - when you have an expensive watch you worry about damage. It’s not to say I don’t worry about this watch, but when it’s 1/3 or 1/5 of the price of the other watches you looked at, it’s nice to be able to just enjoy it. Lots of compliments on its appearance and screen brightness. A lot of watch for the process The gaps: I do have moments I wish I could do a voice reply to a text or quick reply, but Apple doesn’t allow that. No speaker is a kind of a bummer and I typically don’t pair my headphones to my watch, but that would be nice to be phone free for a run or workout. Overall, I really like the watch. I thought I would miss the Apple Watch integrations, but I don’t. The TRex still has the camera remote and find my phone features. I don’t really notice anything yet that I miss from my Apple Watch that I would say is a “send it back!” Thing. Updates are fast and so far little tweaks will continue to improve it. I would by it again.
Review: Does everything and does it well. Amazing watch! - This is quite simply the very best smart watch I've ever owned. It doesn't just beat the name brands, it far surpasses them. I've owned 2 Samsungs, Garmin, Google and a Fitbit. Nine of those even remotely compared to this. I've owned it for about 8-9 months now and it never ceases to amaze me how much better it is than Anything else I've ever owned. Battery life is incredible. I typically get about 3 solid weeks before it needs charged. All the measurements it records (steps, distance, heartbeat, blood oxygen, etc are accurate and precise. It's indestructible and it looks good too. I have absolutely nothing negative to say about this amazing watch.

## Features

- ULTRA-BRIGHT AMOLED DISPLAY: With peak brightness of 2,000 nits, the Amazfit smart watch delivers easy reading of maps and workout data in any light. Night mode and Glove Mode enhance visibility for clear viewing
- DURABILITY FOR EXTREME CONDITIONS: This rugged smart watch, engineered with a 316L stainless steel bezel, withstands temperatures from -22F to 158F, and is water-resistant to 328 feet and can be used for freediving to a depth of 147 Feet
- EXTENDED BATTERY LIFE: The Amazfit T Rex 3 offers over 3 weeks of power with typical use or up to 180 hours in GPS mode, providing long-lasting performance for hiking trips or outdoor activities
- PRECISION NAVIGATION TOOLS: The smart watch for men and women provides free global maps with dual-band positioning. Six satellite systems offer fast, accurate GPS connections and precise turn-by-turn navigation
- EXPANSIVE FITNESS TRACKING: This fitness watch offers 170plus workout modes and AI-generated training plans, providing real-time updates to guide your fitness journey from hiking to surfing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DCZ9PRCP |
| Additional Features | Altitude Assistant, Compass, Freediving Certified, Maps, dual-band GPS |
| Age Range Description | Adult |
| Band Color | Black |
| Band Length | 220 Millimeters |
| Band Material Type | Silicone |
| Band Width | 22 Millimeters |
| Battery Average Life | 27 days |
| Battery Capacity | 700 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Best Sellers Rank | #4,680 in Electronics ( See Top 100 in Electronics ) #132 in Smartwatches |
| Brand | Amazfit |
| Built-In Media | Magnetic charging base (no USB Type-C cable), Smart Watch, User Manual |
| Case Material Type | Stainless Steel |
| Closure Type | Buckle |
| Color | Onyx Black |
| Communication Feature | GPS |
| Compatible Devices | Android 7.0 and above, iOS 14.0 and above |
| Compatible Phone Models | Android 7.0 and above, iOS 14.0 and above |
| Connectivity Technology | Bluetooth, Wi-Fi |
| Controller Type | Android |
| Customer Reviews | 4.5 out of 5 stars 2,319 Reviews |
| Display Type | AMOLED |
| External Testing Certification | ANATEL |
| GPS Geotagging Functionality | Built-in GPS |
| Global Trade Identification Number | 00850058994703 |
| Human Interface Input | Touchscreen |
| Item Dimensions | 4.45 x 4.41 x 2.83 inches |
| Item Dimensions D x W x H | 1.91"D x 1.91"W x 0.54"H |
| Item Weight | 0.15 Pounds |
| Language | English |
| Manufacturer | Amazfit |
| Maximum Display Brightness | 2000 Nit |
| Memory Storage Capacity | 26 GB |
| Metrics Measured | heart Rate,Blood Oxygen,Stress,Sleep Stages,Distance |
| Model Name | Amazfit T-Rex 3 Smart Watch |
| Model Number | A2323-Black |
| Operating System | Zepp OS 4.0 |
| Resolution | 480 x 480 |
| Screen Size | 1.5 Inches |
| Shape | Round |
| Sim Card Size | eSIM |
| Special Feature | Altitude Assistant, Compass, Freediving Certified, Maps, dual-band GPS |
| Sport Type | Basketball, Cycling, Diving, Hiking, Swimming |
| Style Name | T-Rex 3 |
| Supported Application | Alarm, GPS, Multisport Tracker, Voice Assistant, Weather |
| Supported Satellite Navigation System | BeiDou, GLONASS, GPS, Galileo |
| Target Audience | Men, Unisex Adults |
| UPC | 850058994703 |
| Warranty Description | 1 year manufacturer |
| Warranty Type | Limited |
| Water Resistance Depth | 100 Meters |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IPX7 |
| Wearable Computer Type | Smart Watch |
| Wireless Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
| Wireless Provider | Unlocked |

## Product Details

- **Battery Capacity:** 700 Milliamp Hours
- **Battery Cell Composition:** Lithium Polymer
- **Connectivity Technology:** Bluetooth, Wi-Fi
- **GPS:** Built-in GPS
- **Memory Storage Capacity:** 26 GB
- **Operating System:** Zepp OS 4.0
- **Screen Size:** 1.5 Inches
- **Shape:** Round
- **Special Feature:** Altitude Assistant, Compass, Freediving Certified, Maps, dual-band GPS
- **Wireless Communication Standard:** Bluetooth

## Images

![T-Rex 3 Rugged/Military Smart Watch 48mm, GPS (with Privacy), Offline Maps, Long Battery Life,328 Feet Water-Resistant, 170 Fitness/Sport Modes, AI, Voice Control, for Android or iPhone, Black - Image 1](https://m.media-amazon.com/images/I/71GtgMbKvKL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Durable and bright
*by J***. on January 31, 2025*

I switched from an Apple Watch to the TRex. The main reason I wanted to switch was battery life. The Apple Watch at best could get 24-30 hours, but general use 24hrs was my average. I looked at the Garmin Fenix 8 but I really just didn’t want to pay that price. I watched review after review and felt the TRex was the right fit for my needs. Concerns before I purchased: - messaging - calls - no Speaker I have had the device now for about 45 days. Durability - this is a solid watch. I have been doing a full kitchen gut and remodel. I have warn this watch the whole time and it looks like me. No scratches or evidence of any damage. Battery Life - I think confidently 18 days is consist. The first few days I was messing with the settings and looking it over a lot so battery was only 10 days after charging to 90%. I think you could get even more if I turned off notifications and brightness down. Navigation and menus - the OS is really smooth. Very fast to respond. I like the mix of buttons and touch screen. Especially when you have gloves on and such Insights and Health - I think it is far more accurate on steps than my Apple Watch. I wore both watch’s on the same wrist for a full day and I never realized how many non steps my Apple Watch was picking up. I was sitting and typing at my desk. The Apple Watch picked up a nearly 100 phantom steps. The TRex picks up stress pretty well. It notices when I am thinking about a topic that is stressing me, like “is my flooring going to arrive in time?” Or “we only have x hours to complete this before the contractors are here!” Lots of good health habit reminders and such. I am looking forward to getting more use out of them once this project is over. Price, quality, and worry - when you have an expensive watch you worry about damage. It’s not to say I don’t worry about this watch, but when it’s 1/3 or 1/5 of the price of the other watches you looked at, it’s nice to be able to just enjoy it. Lots of compliments on its appearance and screen brightness. A lot of watch for the process The gaps: I do have moments I wish I could do a voice reply to a text or quick reply, but Apple doesn’t allow that. No speaker is a kind of a bummer and I typically don’t pair my headphones to my watch, but that would be nice to be phone free for a run or workout. Overall, I really like the watch. I thought I would miss the Apple Watch integrations, but I don’t. The TRex still has the camera remote and find my phone features. I don’t really notice anything yet that I miss from my Apple Watch that I would say is a “send it back!” Thing. Updates are fast and so far little tweaks will continue to improve it. I would by it again.

### ⭐⭐⭐⭐⭐ Does everything and does it well. Amazing watch!
*by S***S on May 5, 2026*

This is quite simply the very best smart watch I've ever owned. It doesn't just beat the name brands, it far surpasses them. I've owned 2 Samsungs, Garmin, Google and a Fitbit. Nine of those even remotely compared to this. I've owned it for about 8-9 months now and it never ceases to amaze me how much better it is than Anything else I've ever owned. Battery life is incredible. I typically get about 3 solid weeks before it needs charged. All the measurements it records (steps, distance, heartbeat, blood oxygen, etc are accurate and precise. It's indestructible and it looks good too. I have absolutely nothing negative to say about this amazing watch.

### ⭐⭐⭐⭐⭐ Get this now!!!
*by L***O on October 26, 2024*

If you’re adventurous like me and need watch, get this now! After a few weeks with the Amazfit T-Rex 3, I can say it’s a true powerhouse for anyone who loves the outdoors and staying active. This smartwatch is built tough — its military-grade body, 328-foot water resistance, and very easy to set up mean I can confidently take it with me on water sports adventures, hikes, and any unpredictable terrain. The AMOLED display is a standout. It’s super bright, so I have no issues checking maps or workout stats even in bright sunlight, and the night mode is easy on the eyes when I’m in lower light plus it’s scratch resistant. The battery life is exceptional; with over three weeks on a typical charge and hours of extended GPS, it’s perfect for long weekends away or days when I’m constantly on the move. One feature that’s been a game-changer for me is the one-tap health indicator through the Zepp Health app. It lets me check my heart rate, oxygen levels, and stress in seconds. The variety of workout modes keeps things interesting, and the personalized AI training plans help me stay on top of my goals. The GPS accuracy and offline maps have been reliable, and the built-in compass adds peace of mind when I’m exploring new areas. The watch faces are fun to switch up based on the day, giving the T-Rex a bit of a customizable edge. Overall, the Amazfit T-Rex 3 is a solid companion for outdoor enthusiasts and travelers who want both durability and smart functionality. It’s not just a smartwatch — it’s become an essential part of my everyday routine!

## 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 Japan*
*Store origin: JP*
*Last updated: 2026-06-23*