Luminox Men's 8822.MI Recon Pointman Black, Rubber Band, With Multi Color Accents Watch Swiss Quartz Movement Recon Series Swiss-quartz Movement Case Diameter: 45mm Water resistant 200m (660ft):in general, suitable for professional marine activity and serious surface water sports, but not diving Quartz movement Anti-reflective sapphire crystal Case diameter: 45 mm Pc carbon reinforced case Water resistant to 660 feet (200 M): suitable for recreational scuba diving