Smith & Bradley Men's Sans-13 Analog Display Analog Quartz Black Watch Full-size, top-shelf Swiss Quartz movement for ultimate accuracy 316L stainless steel case coated in Black Physical Vapor Deposition (PVD) for added durability Low light tactical lume tubes so the opposition can't see you, only you should see your watch 200-meter (660-feet) water resistance and anti-reflective sapphire crystal dial window - the only thing harder is diamond Water resistant to 660 feet (200 M): suitable for recreational scuba diving