Vacheron Constantin Patrimony self-winding

The Patrimony self-winding (reference 85180/000G-H035) is a round 40mm case in white 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, date display, central seconds, and a sapphire display back. The piece carries the Poinçon de Genève, a hallmark introduced by the Republic and Canton of Geneva in 1886 to certify watchmaking quality and craftsmanship, and is water resistant to 30 meters.