Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With boxes and all papers; Price on request Gmtbroker Reference: 116231BlackRomanJubilee Rolex 116231 Black Roman Jubilee Complete Details: Polished stainless steel case. Polished 18kt rose gold crown. Polished 18kt rose gold fluted (wave design) bezel. Bracelet with brushed finished outer links & polished finished center links. Black dial. Applied polished rose gold Roman Numeral hour markers. Polished rose gold hands. Fine printed minutes/seconds track. Date window displayed at the 3 o'clock position with a cyclops magnifying lens. 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 116231BlackRomanJubilee