Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: 178383BlackIndexOyster Rolex 178383 Black Index Oyster Complete Details: Polished stainless steel case. Polished 18kt yellow gold crown. Polished 18kt yellow gold bezel set with 46 diamonds. Black dial. Applied polished yellow gold toned index hour markers with luminous fill. Polished yellow gold toned hands with luminous fill. Fine printed minute/seconds track. Date window displayed at the 3 o'clock position with a cyclops magnifying lens. Rolex Caliber 2235, beats at 28,800 vph, contains 31 Jewels & has an approximate power reserve of 50 hours. This watch is also known as 178383BlackIndexOyster