Stainless steel and 18k yellow gold case with a stainless steel and 18k yellow gold bracelet. Fixed gold-tone 18k yellow gold bezel. Mother of pearl dial with gold-tone hands and Roman numeral 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. Case size: 31 mm. Round case shape. Oysterlock clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Rolex Datejust 31 Mother of Pearl Diamond Automatic Ladies Watch 178273MRO.