Case material: Yellow gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: 81318mr Rolex Oyster Perpetual Datejust Pearlmaster Watch. 34mm 18K yellow gold case, screw-down crown, polished bezel set with 12 diamonds, scratch-resistant sapphire crystal with cyclops lens over the date, white mother-of-pearl dial, Roman numerals, Rolex calibre 2235 automatic movement, 18K yellow gold Pearlmaster bracelet with rounded five-piece links, concealed folding Crownclasp buckle. Water resistant to 100 meters. Also known as: Rolex 81318 mr, Rolex 81318mr