This 41mm stainless steel case features a grey IP coating, screw-down crown that provides 200M of WR, unidirectional rotating black-and-white timing bezel, fitted black silicone strap w/a rugged three-piece buckle, fully luminescent white dial features a black 24-hours scale/minute markers, applied round luminescent hr. markers, date display, independently adjusted hour hand allows you to quickly set the local time. The Oceanographer GMT is powered by a self-winding GMT movement w/24-jewels and power reserve of 42 hours, protected by a screwdown caseback