Case thickness: 10 mm; case diameter: 36 mm; band width: 16 mm; band circumference: 190+/- 5 mm Band material: leather; movement: three hand; water resistant: 3 atm Quartz Movement Case Diameter: 36mm Water resistant to 30m (100ft): in general, withstands splashes or brief immersion in water, but not suitable for swimming or bathing