Vacheron Constantin Overseas dual time

The Overseas Dual Time, reference 7920V/210A-B546, is a 41mm round steel watch with a black dial and sapphire crystal. It is powered by the automatic Vacheron Constantin calibre 5110 DT/2, offering a 60-hour power reserve and 150 meters of water resistance. The watch includes GMT, date, and small seconds functions. Its movement carries the Poinçon de Genève, a hallmark introduced by the Republic and Canton of Geneva in 1886 to certify quality craftsmanship and provenance.