Contemporary styling with advanced technological features, this GMT flight computer features Seiko’s Kinetic technology; By the simple movement of your wrist, the rechargable battery charges itself. Once fully charged, it captures and stores energy up to six months. Kinetic- the most advanced electronic watch technology. Environmentally friendly. Features include- stainless steel case and bracelet, black dial with date display and screwdown see thru caseback. 100 meters water resistant.