Vacheron Constantin Traditionnelle self-winding

The Traditionnelle self-winding (reference 87172/000R-9302) is a 38mm round case in rose gold with a white dial and sapphire crystal. It is powered by the automatic Vacheron Constantin calibre 2455, offering 40 hours of power reserve, and includes small seconds and date functions. The case back is a display back, and the watch carries the Poinçon de Genève, a hallmark introduced by the Republic and Canton of Geneva in 1886 to certify quality craftsmanship in watchmaking. Water resistance is rated to 30 meters.