Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With boxes and all papers; Price on request Gmtbroker Reference: 116203BlackDiamondOyster Rolex 116203 Black Diamond Oyster Complete Details: Polished stainless steel case. Polished 18kt yellow gold crown. Polished 18kt yellow gold domed bezel. Bracelet with brushed finished outer links & polished finished center links. Black (almost grey) colored dial. Dial set 10 diamond hour markers. Polished yellow gold hands. Date window displayed at the 3 o'clock position with a cyclops magnifying lens. All date numbers in black. Rolex Caliber 3135, beats at 28,800 vph, contains 31 Jewels & has an approximate power reserve of 50 hours. This watch is also known as 116203BlackDiamondOyster