Movado Men's 605568 Museum Swiss Automatic Watch Quality Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Sapphire crystal crystal Case diameter: 36 mm Stainless-steel case; Stainless-steel bracelet with secure deployment-clasp-with-push-button; Black dial Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion