Vacheron Constantin Historiques Ultra Fine 1955 Silver Dial Black Leather Mens Watch 33155/000R-9588. 18kt rose gold case with a black alligator leather strap. Fixed 18kt rose gold bezel. Silver dial with rose gold hands and index hour markers. Manual wind movement with a 31 hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Case diameter: 36 mm. Case thickness: 4.13 mm. Round case shape. Band width: 20.3 mm. Band length: 8 inches. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: hour, minute. Item Variations: X33R2789.