18k white gold case with a white gold-tone 18kt white gold rolex oyster bracelet. Bi-directional rotating ring command 18kt yellow gold bezel. Black dial with silver-tone hands and Roman numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands. “saros” annual calendar. 24 hour sub-dial subdials. Rolex Calibre 9001 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Round case shape. Case size: 42 mm. Oysterlock clasp. Water resistant at 100 meters / 330 feet. Functions: annual calendar, GMT, second time zone, month, date, hour, minute, second, chronometer. Luxury watch style. Watch label: Swiss Made. Rolex Sky Dweller Black Dial 18K White Gold Oyster Bracelet Automatic Men’s Watch 326939BKAO.