Stainless steel case with a stainless steel Rolex jubilee bracelet with 18kt yellow gold center links. Fixed fluted 18kt yellow gold bezel. Black mother of pearl dial with yellow gold-tone hands and diamond hour markers. Dial Type: Analog. Date display at the 3 o'clock position. Rolex calibre 2235 automatic movement with a 48-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case size: 31 mm. Round case shape. Deployment clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Rolex Datejust 31 Black Mother of Pearl Steel and 18K Yellow Gold Ladies Watch 178273BKMRJ.Rolex