The Amazfit GTR 3 has four ways to measure your health, all of which are powered by BioTracker 3.0, which is very accurate. It has all the health and fitness measurements you’d expect, like tracking your menstrual cycle, predicting when you’ll ovulate, keeping track of your sleep and stress, blood oxygen levels, and breathing rate.
It’s also a good fitness tracker in this way. It has more than 150 sports modes, and eight of them are automatic. When you turn this on, it will turn on GPS tracking on its own, which is a plus. It also has a Personal Activity Intelligence (PAI) score. This health score based on science measures how physical activity affects your heart health.
The Hunt Fitness study, which was published in the American Journal of Medicine, found that keeping your PAI score at 100 or higher could lower your chances of getting high blood pressure, heart disease, and type 2 diabetes.
The resin case and aircraft-grade aluminium bezel and lugs of the Amazfit GTR 3 give it a more stylish look (many entry-level running watches have plastic lugs to save weight). It comes in two colours: Thunder Black, like the one shown here, and Moonlight Gray. The straps and cases for both colours match.
Its case is 45.8mm by 10.8mm, and our review model, which had a silicone strap, weighed 43g. That’s a little more than the featherweight Coros Pace 2, but it’s still very light, and the watch is thin enough to be easy to forget when you wear it every day. The watch has two physical controls: a rotating dial that can be used to access and scroll through the main menu and start and stop activities, and a button that gives quick access to the list of activity tracking modes.
It takes some time to get used to the layout (on most sports watches, pressing the lower button would take you back to the home screen), but we liked that we could start tracking a workout without having to go through a bunch of menus.
The best thing about the watch is its bright OLED touchscreen display. As we’ve come to expect from Amazfit’s sports watches, it’s bright and easy to use. It’s pretty good for a device that costs this much, and its high resolution means it can show a lot of information at once.