Vacheron Constantin Overseas self-winding

The Overseas self-winding reference 4520V/210R-B705 is a 41mm round case in rose gold with a blue dial and sapphire crystal. It houses the automatic Vacheron Constantin calibre 5100 and carries the Poinçon de Genève hallmark, a certification introduced by the Republic and Canton of Geneva in 1886 to denote fine watchmaking craftsmanship. The watch features a screw-down crown and a display back, and is water resistant to 150 metres.