Productinformation: Applicable people: general Style: American Waterproof: Yes Movement type: Quartz Thickness: 10mm Dial diameter: 40mm Crown type: spiral crown Table bottom type: ordinary Mirror material: mineral strengthened glass mirror Clasp style: Butterfly double snap buckle Buckle material: stainless steel Strap material: alloy Dial shape: round Color: white, silver blue, silver black, gold blue, rose gold, black and black