Vacheron Constantin Overseas dual time

The Overseas Dual Time, reference 7920V/000R-B336, is a 41mm round case in rose gold with a white dial and sapphire crystal. It houses the automatic Vacheron Constantin calibre 5110 DT/2, offering a 60-hour power reserve and functions including GMT, date, and small seconds. The watch is water resistant to 150 metres and bears the Poinçon de Genève, the Geneva Seal introduced by the Republic and Canton of Geneva in 1886 to certify watchmaking quality and origin.