Case thickness: 8 mm; case diameter: 26 mm; band width: 12 mm; band circumference: 175+/- 5 mm Band material: leather; movement: two hand; water resistant: 3 atm Band Material: Leather; Movement: Two Hand; Water Resistant: 3 ATM Quartz Movement Case Diameter: 26mm Water resistant to 30m (100ft): in general, withstands splashes or brief immersion in water, but not suitable for swimming or bathing