Vacheron Constantin Overseas moon phase retrograde date

The Overseas moon phase retrograde date, reference 4000V/210A-B911, has a 41mm round steel case with a blue dial and sapphire crystal. It is powered by the automatic Vacheron Constantin calibre 2460, offering a 40-hour power reserve, and carries the Poinçon de Genève hallmark certifying its Geneva origin and craftsmanship standard. The watch displays moon phase and date functions, with luminous numerals and a display back, and is water resistant to 50 metres.