Cartier Ballon Bleu de Cartier Tourbillon
Case : Round Ballon Bleu case in 18k white gold, polished, fixed bezel in 18k white gold, polished, exhibition caseback fixed on 8 screws, engraved ‘Cartier’, reference and case numbers, crown with blue-stone cabochon at 3 o’clock under protective protrusion of a case
Strap : Black alligator strap, double folding clasp in 18k white gold, signed Cartier
Dial : Two-level dial, signed Cartier, black lower part with ‘lotus’ guilloche pattern, silver-plated and open-worked upper part forming indexes with IX to III Roman numerals, inner track for minutes, ‘railway’ track for small seconds around tourbillon aperture at 6 o’clock, blued ‘sword’ hour and minute hands
Movement : Hand-wound mechanical movement, stamped with Geneva Seal, rhodium plated, bridges with cotes de Geneve, mainplate with perlage, double-C shaped tourbillon bridge, engraved and gilt inscriptions, functions: hours, minutes, tourbillon
Cal : Cartier 9452 MC
Ref : W6920021
Movement No : 0630
Case No : 8*
D : 46 mm
