Seiko Men's SKA453 Kinetic Black Ion Finish Urethane Strap Watch Men's kinetic , powered by the movement of your wrist ,3 hands Environmentally safe (No Suggestions) hands and markers, black ion stainless steel case, black urethane strap, black dial Curved hurdle crystal; cabochon crown buckle clasp, see thru screw down case-back Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving