Watch glass material: Sapphire glass Housing: Stainless steel Band: Synthetic material colorColour: blue/black/orange Circumference: 8.0 " (Size One Size) Arm band width: 1.0 " (Size One Size) Case height: 0.5 " (Size One Size) Fastening: Buckle Closure: Buckle Pattern: Print Waterproof: 5 ATM Display: Chronograph