Vacheron Constantin Traditionnelle complete calendar

The Traditionnelle complete calendar, reference 4010T/000G-B740, is a 41mm round case in white gold with a grey dial and sapphire crystal. It carries the Poinçon de Genève, the hallmark introduced by the Republic and Canton of Geneva in 1886 to certify quality craftsmanship and reliability in fine watchmaking. The automatic calibre 2460 QCL/1 movement drives a complete calendar with moon phase, date, weekday, and month indications.