18kt yellow gold case with a black leather strap. 18kt yellow gold bezel. Black dial with silver-tone hands and index-Arabic numeral hour markers. Dial Type: Analog. One-small second subdials. Rolex Calibre 7140 automatic movement with a 66-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Round case shape, case size: 39 mm. Double folding dual clasp. Water resistant at 50 meters / 165 feet. Functions: hour, minute, small second. Additional Info: original box, manual (complete accessories). 1908 Series. Luxury watch style. Watch label: Swiss Made. Rolex 1908 Black Dial Unisex Watch 52508-0002.