Huami just announced its new Amazfit GTR smartwatch, as it had promised. It comes with Stainless Steel, Aluminium and Titanium case options and in 42mm and 47mm case sizes. Both have an AMOLED display with 326PPI pixel density, Corning Gorilla Glass 3 protection, 5 ATM water resistance, NFC support for UnionPay payments, support for 12 sports modes, GPS+GLONASS, air pressure sensor, BioTracker PPG for 24-hour uninterrupted accurate heart rate monitoring, sedentary reminder, all-day health monitoring, sleep analysis and more.