Cartier. A fine and large platinum tonneau-shaped self-winding two time zone perpetual calendar wristwatch

Cartier. A fine and large platinum tonneau-shaped self-winding two time zone perpetual calendar wristwatch
Signed Cartier, Paris, Tortue Quantième Perpétuel Collection Privée model, ref. W1540551, No. 019 CE, case no. 2646, manufactured in 2003
Cal. 9431 MC nickel-finished lever movement engraved with the Cartier logo, 26 jewels, the rotor engraved with the Cartier logo and 18K white gold rim, the engine-turned silver dial with Roman numerals, secret signature at X, blued steel moon-style hands, four subsidiary dials indicating month combined with leap year display, day, date and 24 hour dial for the second time zone, in large tonneau-shaped case with glazed display back secured by eight screws, sapphire-set crown, 18K white gold Cartier deployant clasp, case, dial and movement signed
34 mm. wide & 43 mm. overall length