Rip Curl Men's A2497-SIL Stainless Steel and Polyurethane Solar-Powered Sports Watch Rip Curl's solar-powered watch not only never needs a battery, it also doesn't need to be handled delicately, thanks to a tough stainless steel case and durable polyurethane band. Japanese Automatic movement powered by light Protective acrylic dial window Features include rotating heat bezel, stainless steel case, polyurethane strap, date window Water resistant to 660 feet (200 M): suitable for recreational scuba diving