Vacheron Constantin 85050 (Pre-owned - Good) — USD 19,435 on eBay

The Patrimony Contemporaine Perpetual Calendar reference 85050/000R represents Vacheron Constantin's perpetual calendar complication within the Contemporaine series. This reference combines the perpetual calendar function with contemporary case proportions in precious metal construction. The watch features a 41mm case crafted from 18k rose gold with a fixed bezel configuration. The silver dial is protected by sapphire crystal, while water resistance extends to 30 meters. An automatic movement powers the perpetual calendar complication and timekeeping functions. This reference appeals to collectors seeking a perpetual calendar complication in a substantial case size with precious metal construction. The 41mm proportions accommodate the complex dial layout required for perpetual calendar displays, while the rose gold case material positions this reference within the luxury segment of the Patrimony collection.