Vacheron Constantin 3100V/000R-B422 Historiques Reference: 3100V/000R-B422 Shape: Round Diameter (mm): 40.00 Thickness (mm): 10.35 Material of the case: 18K 4N pink gold Material of the crown: 18K 4N pink gold Material of the dial: metal Back: Transparent caseback, sapphire glass Water-resistance (bar): 3 Watch strap material: alligator Mississippiensis Watch strap color: dark blue Type of buckle: Ardillon buckle Buckle material: 18K 4N pink gold Limited edition