Model: Ballon Bleu Flying TourbillonReference: 3088Date: Circa 2010Movement: 19-jewel Cal.9452 MC manual wind, one minute tourbillon with polished cage, stamped with the Seal of Geneva, No.0293Dial: Guilloché engraved silvered, applied Roman numeral chapter overlay, inner minute divisions, aperture at 6 displaying tourbillon cage combined with constant seconds, blued steel sword handsCase: Brushed and polished round, exhibition back secured by 8 screws, No.18Strap/Bracelet: Black Cartier crocodile leatherBuckle/Clasp: Signed 18K rose gold folding claspSigned: Case, dial & movementSize: 46mm