A Silver and Plated Rectangular Wristwatch, signed Cartier, model: Must de Cartier, circa 1990,... A Silver and Plated Rectangular Wristwatch, signed Cartier, model: Must de Cartier, circa 1990, quartz movement, cream coloured dial with Roman numerals, secret signature at 10, case back stamped 925 plaque or G20M, 20mm by 27mm, with Must de Cartier box see illustration