Product material:
Mirror material: Mineral strengthened glass mirror
Buckle material: Stainless steel
Strap material: Stainless steel
Case material: Zinc alloy

Details:
Special functions: Calendar, independent seconds circle
Display type: Pointer + number
Waterproof: Yes
Waterproof performance: 30M
Dial diameter: 39mm
Thickness: 14mm
Crown type: Flat top cone crown
Table bottom type: Through the bottom
Clasp style: Butterfly double snap