18kt yellow gold case with a two-tone (silver-tone and gold-tone) stainless steel and 18kt yellow gold rolex oyster bracelet. Bi-directional rotating ring command 18kt yellow gold bezel. Black dial with luminous yellow gold-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. One- 24 hours subdials. Rolex Calibre 9001 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape. Case size: 42 mm. Oyster clasp. Water resistant at 100 meters / 330 feet. Functions: annual calendar, month, date, GMT, second time zone, hour, minute, second, chronometer. Luxury watch style. Watch label: Swiss Made. Rolex Sky-Dweller Automatic Mens 18kt Yellow Gold Oyster Watch 326933BKSO.