A lady's Cartier tank wristwatch, 18ct gold, the 27 mm case ... A lady's Cartier tank wristwatch, 18ct gold, the 27 mm case with champagne dial with roman numerals, cabochon winder, leather strap with 18ct gold deployment fitting stamped JC and hallmarks for 1973, the case back and clasp stamped 1603, in fitted Cartier leather case