Silver-tone oystersteel case with a silver-tone oystersteel jubilee bracelet. Fixed silver-tone oystersteel bezel. Dark grey dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Rolex Calibre 2236 Automatic movement, based upon Rolex 2235, containing 31 Jewels, bitting at 28800 vph, and has a power reserve of approximately 55 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 31 mm. Crown clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, chronometer. Datejust 31 Series. Luxury watch style. Watch label: Swiss Made. Item Variations: M278240-0010. Rolex Datejust 31 Automatic Chronometer Dark Grey Dial Ladies Watch 278240RSJ.