Case thickness: 12 mm; case size: 40 mm; band width: 20 mm; strap circumference: 175 +/- 5 mm Strap material: acetate; movement: three hand; water resistance: 5 atm Analog-quartz Movement Case Diameter: 40mm Water resistant to 50m (165ft: in general, suitable for short periods of recreational swimming, but not diving or snorkeling