The Vacheron Constantin Overseas Ultra-Thin Perpetual Calendar debuted at SIHH 2016, driven by the automatic 1120QP movement with perpetual calendar complications. The 4300V/000R-B509 reference was introduced in 2019. It features a 41.5mm diameter 18k pink gold case, measuring 8.1mm in height, and is finished with a blue dial.
Shape
Round
Material
Pink Gold
Glass
Sapphire
Thickness
8.10 mm
Diameter
41.50 mm
Water Resistance
50.00 m
Dial Color
Blue
Material
Bracelet
