Seiko Men's Silvertone Solar Chronograph Diver Watch Imported Solar-powered dive watch featuring two-tone unidirectional bezel and round dial with chronograph sub dials and date window 43.5 mm stainless steel case with Hardlex dial window Japanese quartz movement with analog display Ribbed polyurethane band with buckle closure Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving