Product Details + Case:44 mm Stainless steelBezel:Unidirectional, ratchetedMovement:Self-winding mechanicalCrown:Screw-locked, two gasketsJewel:47 jewelsWater Resistance:200 m (660 ft)Strap Material:Stainless steel Metal bracelet Product Weight (Approx.):180.0 g.Thickness:15.5 mmPower Reserve:Approx. 70 hrs