Vacheron Constantin Patrimony self-winding

The Patrimony self-winding (reference 85180/000R-H116) is a round 40mm case in rose gold with a white dial and sapphire crystal. It is powered by the automatic Vacheron Constantin calibre 2450 Q6/3, offering a 40-hour power reserve and bearing the Poincon de Geneve hallmark, a certification established by the Republic and Canton of Geneva in 1886. The watch includes a date function, central seconds, and a display case back, and is water resistant to 30 metres.