CAT WATCHES Men's Shockmaster Analog Display Quartz Black Watch Extra Hard Stainless Steel Case, Black Silicone Strap, Extra Hard Mineral Crystal, Shock Protected Black Analog Dial, Date Display, Luminous Hands, 200M Water Resistant Quartz Movement Case Diameter: 48mm Water Resistant 200m (660ft):in General, Suitable for Professional Marine Activity and Serious Surface Water Sports, but not Diving