18kt white gold case with a blue leather strap. Fixed 18kt white gold bezel. Blue 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 oclock position. day display at the 12 oclock position. Rolex Calibre 3155 Automatic movement, based upon Rolex 3055, containing 31 Jewels, bitting at 28800 vph, and has a power reserve of approximately 48 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 36 mm. Deployment buckle clasp. Water resistant at 100 meters / 330 feet. Functions: date, day, hour, minute, second, chronometer. Day-date Series. Luxury watch style. Watch label: Swiss Made. Rolex Day-Date Automatic Chronometer Blue Dial Mens Watch 118139.