Gents Cartier Tortue XL Tourbillon Chronograph Monopoussoir in platinum with single button chronograph on alligator strap. Manual w/ subseconds, chronograph and tourbillon. Unused with box and papers. Ref W1545751. Fine Unused Cartier Watch. Unused Cartier Tortue W1545751 watch is made out of Platinum on a Black Strap band with a Platinum Deploy buckle. This Cartier watch has a 39 x 37 mm case with a Tonneau caseback and Off White Roman Numeral dial. It is Gray and Sons Certified Authentic and comes backed by our 12-month warranty. Each watch is inspected by our certified in-house Swiss-trained watchmakers before shipment including final servicing, cleaning, and polishing.