Vacheron Constantin Patrimony Reference 85180 Watch

Case diameter 40mm. Patrimony‑series case with smooth curved contours, minimalist design inspired by 1950‑s styling. Curved hour markers and hands fit within less than 1‑millimeter gap between domed dial and sapphire crystal glass. Date window at 6 o’clock. Skeletonized case‑back reveals 22K gold rotor with Maltese‑cross motif.