Pre-Owned Vacheron Constantin Patrimony Traditionnelle Chronograph Perpetual Calendar (47292000P9510) manual-wind watch, features a 43mm platinum case surrounding a slate grey dial on a black alligator strap with a platinum deployant buckle. Functions include hours, minutes, small-seconds, day, date, month, moon phase, perpetual calendar and moon phase. This watch comes complete with box and papers. We back this watch with a 15-month warranty!