Cartier Tank Vermeil Gold Plated Manual Winding 20x28mm 。Vintage Must de Cartier rectangular tank-style watch with classic cream Roman numeral dial and cabochon-style crown. Manual wind version. Circa 1970s-80s. Markings / Details (see photos): • Dial: “must de Cartier” + “Swiss” • Caseback stamped: Cartier Paris / 925 / ARGENT / PLAQUÉ OR G20M / SWISS / 028251 • Vermeil construction: sterling silver (925) with gold plating (“plaqué or”) Condition: Pre-owned vintage condition. Functionality: Currently running at time of listing. Timekeeping accuracy and service history are unknown (vintage piece). Included: Watch only (no box/papers). Ships carefully packaged.