Invicta Men's 0736 Subaqua Noma III Black Dial Black Polyurethane Watch Black mother of pearl dial with silver luminous hands and hour markers, date display, black polyurethane and stainless steel band and screw down crown 50mm stainless steel case with flame fusion crystal Quartz Movement Case Diameter: 50mm Water resistant 200m (660ft):in general, suitable for professional marine activity and serious surface water sports, but not diving