Case material: Yellow gold; Charge: Automatic; Conditions: Never worn Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: 118138col Rolex Oyster Perpetual Day-Date Watch. 36mm 18K yellow gold case, fluted bezel, cognac dial, index hour markers, calibre 3155 self‑winding chronometer movement with day and date display, cognac leather strap with gold deployable clasp. Waterproof to 100 meters. Also known as: Rolex 118138 col, Rolex 118138col