The Vacheron Constantin Patrimony Moon Phase and Retrograde Date (ref. 4010U/000G-B330) is a dress watch with a 42.5 mm round case in white gold. It has a silver dial.
It is powered by a self-winding mechanical movement. Features: Retrograde date, moon phase indicator, transparent caseback, geneva Seal. Water-resistant to 30 m. The watch is fitted with an alligator leather strap with a folding clasp in white gold.
