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🌍 Adventure-ready tech that keeps pace with your boldest moves
The Amazfit T-Rex 3 is a rugged 48mm outdoor smartwatch featuring a bright 2000-nit AMOLED display, advanced dual-band GPS with 6 satellite systems, and an impressive 27-day battery life. Built with military-grade stainless steel, it withstands extreme temperatures and water depths up to 45 meters, perfect for freediving and surfing. It supports 170+ sports modes, offline maps, AI training plans, and secure NFC payments, making it the ultimate companion for millennial professionals who crave adventure without compromise.




















| ASIN | B0DCBW8NT3 |
| Age Range Description | Adult |
| Band Colour | Onyx |
| Band Material Type | Silicone |
| Battery Average Life | 648 hours |
| Battery Capacity | 648 hours |
| Battery Cell Type | Lithium Polymer |
| Battery Power | 27 |
| Battery capacity | 648 hours |
| Best Sellers Rank | 3,006 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 126 in Smartwatches |
| Box Contents | Smartwatch, charging cable, manual |
| Brand Name | Amazfit |
| Case Material Type | Stainless Steel |
| Clasp Type | Tang Buckle |
| Closure Type | Buckle |
| Colour | Onyx Black |
| Communication Feature | NFC |
| Compatible Devices | Smartphone, tablet, PC |
| Compatible Phone Models | Compatible with current smartphone models |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Controller Type | touchscreen interface |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 2,666 Reviews |
| Display Type | AMOLED |
| GPS Geotagging Functionality | Built-in GPS |
| Global Trade Identification Number | 06970100374889 |
| Human Interface Input | Touchscreen |
| Item Weight | 0.26 Kilograms |
| Manufacturer | Amazfit |
| Maximum Display Brightness | 2000 Nit |
| Memory Storage Capacity | 32 GB |
| Memory storage capacity | 32 GB |
| Metrics Measured | GPS, Optical Heart Rate Sensor, Motion Sensor |
| Model Name | T-Rex 3 |
| Model Number | T-Rex 3 |
| Operating System | Zepp OS |
| Operating system | Zepp OS |
| Product Features | Free Maps & Advanced GPS |
| Product Warranty | 2 year manufacturer |
| Resolution | [HIGH_RESOLUTION] |
| Screen Size | 48 Millimetres |
| Shape | Round |
| Sim Card Size | eSIM |
| Special feature | Free Maps & Advanced GPS |
| Sport Type | Multi-Sports |
| Style Name | T-Rex 3 |
| Supported Application | GPS, Fitness Tracker, Heart Rate Monitor, Sleep Monitor, Time Display |
| Supported Satellite Navigation System | BeiDou |
| Target Audience | Adults and outdoor enthusiasts regardless of gender |
| Unit Count | 1.0 count |
| Warranty Type | Limited |
| Water Resistance Depth | 100 Metres |
| Water Resistance Level | Waterproof |
| Waterproof Rating | IP68 |
| Wearable Computer Type | Smart Watch |
| Wireless Compability | Bluetooth |
| Wireless Provider | du |
| Wireless communication standard | Bluetooth |
S**Y
Brilliant watch – tough, reliable, and great for fitness!
I’ve been using the Amazfit T-Rex 3 for a while now and I’m seriously impressed. The battery life is unreal — I barely have to think about charging it — and it’s handled everything from gym sessions to long walks without any issues. The build feels really solid and durable, and the screen is bright and easy to read even outdoors. It’s packed with features but still simple to use, which I love. For the price, it genuinely feels like you’re getting way more than you paid for. Definitely one of the best fitness watches I’ve owned!
M**K
Great quality and value
Don’t write many reviews but I’m really impressed with this watch. I previously had an Apple Watch but lost it and didn’t want to pay for an overly expensive watch. After doing a lot of research I opted for the T-Rex 3 which was on offer. Was dubious about the size as I have small wrists and hands and upon opening the well packaged and presented box it did seem big. However, once on my wrist the size didn’t seem to matter anymore. It is remarkably light and very comfortable to wear. The strap has enough notches for any sized wrist and they’re close together so you can get the tightness just right. I have slept with it on and you forget it’s there. The screen is large and vibrant and setup is very simple. There are a vast number of features and they all work very well and nothing appears too complicated. There are plenty of settings to play with and lots of free watch faces to choose from and you can customise what your watch displays. Overall I am hugely impressed with this watch. Has the feel of a more expensive watch, loads of features that work well and a brilliant battery life.
Y**L
The Smartwatch that is Smart
Was looking to replace my current smartwatch which was no longer supported by a well known brand....criminal after 5 years not to be supported and the watch cost £350. So I was determined not to buy a high street brand again. Did my research and found this T-REX high on the recommendation list. I have had it nearly a week and I am very impressed. For £230 you get a very nice and sturdy watch that looks good and not too bulky. In my opinion nearly all your fitness data is gathered by your heart beat or bpm. I measured the watch against a professional heart rate monitor and I can honestly say the watch was within +/- 2bpm from a range of 55 to 170bpm, running or cycling, very impressive so I know my workout data will be accurate. Using the app called Zepp syncs with the watch and also my training app called TrainingPeaks to record all my data as I am a keen cyclist I also do some running. Again impressed with the Zepp App, easy to use and works well. I have had my watch on now for 5 days, used GPS, heart rate monitor is on all the time, screen comes on with a flick of the wrist (I wear it in bed) and I still have over 70% battery life...I am impressed. The watch is packed with widgets you can use and change the watch interface, there are many to choose from but there could have been a lot more in my opinion but as I use the old fashioned LCD style I am very happy. Charging the watch is easy as it comes with a USB powered magnetic charger. A slight design fault is if you use the wrist band that comes with the watch you have to lie the watch on its side to charge it. No harm done. What was a nice feature is that they included adaptors so you can change the strap to any 22mm width strap which I have done with a brown leather strap which I can now charge the watch lying flat. Notifications arrive onto the watch very fast from my mobile and the screen quality is very good. I am discovering new things with it as the instructions are sparse but I think that is a good thing as you can explore yourself as you can't delete anything. I was advised to buy a much dearer watch as I wanted to do interval running training which times each interval, well guess what this watch has interval training and worked a charm last night and with multipoint GPS tracking the data is very accurate.This watch gets a clear 5 stars and all the reviews about it were right, excellent value for money and very happy with the purchase, you know the one....the one that puts a smile on your face knowing you made the right decision.
A**S
Great watch! Smartwatch equivalent to a G shock!
Great watch!! So I needed a new watch for work as my old Casio G shock died after a few years. As I work as an electrical engineer on the underground power network, I needed a strong watch that was durable in outdoor conditions. I was tempted to buy another Casio G shock but liked the idea of a smart watch but didn’t like the idea of needing to charge it every 1 or 2 days and thought they were a little delicate for what I need it for. After some research I decided to go for the Amazfit T rex 3 and wasn’t disappointed! Pros; Battery life, with daily use battery lasts over 20 days! Sturdy, very well built, don’t feel nervous about using it in extreme conditions, I brought a glass screen protector just for some extra protection Very easy to use and fully of features, very quick and responsive. Cons; Size, it’s not a slim watch, it’s quite chunky which for my I don’t mind as I can live with that trade off for the extra strong built quality and plenty of battery life but just bare in mind it may be a bit too thick to slide under most long sleeves. Connectivity, it’s not laggy at all but there has been a few instances where I’ve missed notifications and the watch has lost connectivity with my phone so I’ve had to open the app and sync it and it starts working again. It’s only happened a few times so not a big deal. Too many features, this can be a pro and con but I find it packed with that many features it can sometimes feel overwhelming and most of the apps and features you’ll hardly use or they don’t work very well. Such as the work out app, it’s great if you’re going for a run but if you’re having a gym workout, the app doesn’t accurately measure reps and most the time you want to have a workout and just get on with it rather then fiddling with your watch the whole time. Overall I’d recommend it, great value for money even though I missed out on the Black Friday deal and paid £253, at £210 on black Friday it’s a no brainer, you’d easily pay a lot more for a garmin equivalent.
P**R
Built like a tank
Built Like a Tank I’ve been really impressed with the Amazfit T-Rex 3. It’s a substantial smartwatch, but that’s part of the appeal — this definitely isn’t a delicate little watch that needs wrapping in bubble wrap before you leave the house. The 48mm display is excellent. It’s bright, clear and easy to read, even outdoors, and there’s plenty of information available without everything feeling cramped onto the screen. The watch feels extremely well built and rugged, which makes it particularly suited to outdoor use. It’s comfortable enough to wear all day, despite its larger size, and the controls are easy to use once you’ve got used to them. There are loads of health, fitness and outdoor tracking features, so whether you're exercising, walking, hiking or simply keeping an eye on your daily activity, there’s plenty to play with. The GPS tracking has also been useful and the overall interface is straightforward to navigate. Battery life is one of the biggest advantages. Coming from smartwatches that seem to need charging whenever you look at them, the T-Rex 3 is refreshingly capable of going for a long time between charges. The only downside is the size. If you prefer a small, discreet watch, this probably isn't for you. Personally, I quite like the rugged appearance — it looks like it could survive an argument with a mountain. Overall, a seriously capable outdoor smartwatch with an excellent display, impressive battery life and a rugged build. It feels like a proper piece of equipment rather than just a watch with a few extra tricks.
J**N
Excellent watch for fitness, health and performance Aid
I had problems with the Plastic strap. I had an allergic reaction to the strap, it caused blistering and burns on my wrist. fair due to amazon, when i went to return it they offered me a reduction in price so that i could replace the strap and keep the watch as it is very impressive and useful. I was going to return it but this sensible offer by them was a good resolution and saved amazon money and i kept the watch. apps excellent, support good display very good and overall, for a fitness and health reporting watch quite accurate and a good benchmark for day-to-day use and as an aid to my health and fitness.
S**T
Great for running, excellent Strava integration.
I love this watch. I have been wearing it for six days now. I have run three times totalling about 15 miles, a little over two hours of activity. Battery currently on 51%. The GPS is accurate, has recorded route well across paths next to roads and cross country, 50/50 split for these runs. The metrics are clear during activities, night and day. The zepp app is great, as is the integration with Strava. I like being able to set the phone up through the app, notification setting for instance is optimal, you can easily select what the watch notifies, email, calls, messaging, apps etc. when you open Strava after the run, it allows you to update the details, title etc. All easy to use. Start, stop activities just on the watch. Through Zepp, I have started using the food log, the AI analysis of photos is good, identifying food types on plate and good estimation of quantities. Where this strays it is easy to correct weights with actuals. It tends to slightly over estimate. This is helping me limit post Christmas appetite, lost 1.5 kg since putting it on. Sleep and heart rate monitorong all good. This is valuable to me. Build quality of the watch is good. No concerns or complaints. I am really pleased with the purchase and value for money.
R**N
A great value useful everyday smartwatch
It's slightly bigger than the old Trex 2 but performs in a similar way. The charger has become a c type and you get a small adapter thats magnetic which sticks to the rear of the watch. Charging is pretty rapid and the battery does last for weeks. I bought mine to monitor my health heart rate etc and in that regard it's pretty useful. The Zepp app links to your watch and will give you a comprehensive feedback on your activities. There is a subscription service should you wish to get ongoing assessments of your health and workout activities. On the wrist it's comfortable and being waterproof and quite tough will still function in and out of water. I found the slightly larger screen useful for reading downloaded maps. It's fairly simple to set up and practically useful on a daily basis. My old watches have become redundant. Would I recommend it yes I would. It's far cheaper than many similar smart watches and every bit as useful. There are literally hundreds of watch faces to choose from free and paid for, the latter being quite cheap too. A very good smart watch.
T**N
T Rex 3
I had amazfit T rex first model and it lasted 9 years , and now after I got T rex 3 I am very pleased with what it offers
D**O
More than amazing, highly recommended ✨🥰
More than amazing, highly recommended ✨🥰
J**N
Fantastisk klocka för pengarna!
En fantastisk klocka sett till priset. En rejäl uppgradering från den första modellen T-Rex Pro som jag hade innan. Hela upplevelsen känns mer genomarbetad med mjukvara, större och bättre skärm och själva klockans utseende. Just den grå varianten är riktigt snygg men se upp - det är svårare att hitta snygga straps till den!
M**L
Top
Zeer tevreden, mooi horloge, prima functies en lange batterijduur
V**K
Great watch-as good as a Garmin
Absolutely super watch and great Battery Life. I use it for Hiking and find the maps on it brilliant and the ability to load a GPX file is great . I find it just as good as a Garmin for half the price
Trustpilot
5 days ago
1 month ago