Vacheron Constantin Traditionnelle moon phase

The Traditionnelle moon phase, reference 83570/000G-9916, is a 36 mm round case in white gold with a white dial and sapphire crystal. It carries the Poinçon de Genève, the hallmark introduced by the Republic and Canton of Geneva in 1886 to certify Geneva watchmaking standards. The manual-winding calibre 1410 provides a 40-hour power reserve and drives small seconds, moon phase, and power reserve indications, visible also through a display back. The piece is set with gemstones and diamonds and is water-resistant to 30 metres.