Case Thickness: 13 mm, Case Diameter: 45 mm, Band Width: 24 mm, Strap Circumference: 200+/- 5 mm Strap Material: Nylon; Movement: Three-Hand Day/Date; Water Resistance: 3 ATM Quartz Movement Case Diameter: 45mm Water resistant to 30m (100ft): in general, withstands splashes or brief immersion in water, but not suitable for swimming or bathing