Amazfit Stratos +

Ceramic

2.5D Sapphire Watch Crystal

Leather + Fluororubber

22 mm

-

1.34 inch

320 x 300 px

5ATM

Yes

Yes

Yes

Android 4.4, iOS 9 or later

4.0

290 mAh

Up to 5 days (30-minute running and 200 incoming messages per day) | 35 hours (all-course GPS-enabled and heart rate monitoring)