https://www.amazfit.com/en/gtr2.html
Specifications
Design
Color
Obsidian Black
Size (square)
46.4*46.4*10.7mm
Weight
Sport model-31.5g (without strap)
Classic model-39g (without strap)
Body
Sport-Aluminum alloy
Classic-stainless steel
Buttons
2 buttons
Waterproofing Grade
5ATM8
Screen...