Ballon Bleu de Cartier watch, 39 mm. Manufacture mechanical movement with manual winding caliber 9452 MC. Case in 18K pink gold, fluted crown in 18K pink gold set with a blue sapphire cabochon, slate-colored galvanized guilloché dial, sword-shaped hands in blued steel. Strap in brown alligator skin, double adjustable folding buckle in 18K pink gold. Flying tourbillon complication with seconds indicated by the C-shaped tourbillon carriage, watch certified “Poinçon de Genèveâ€. Individually numbered movement containing 142 parts including 19 jewels. Total diameter of movement: 24.9 mm, thickness of the movement: 4.5 mm (5.45 mm with tourbillon), balance: 21,600 vibrations/hour, power reserve approx. 50 hours, sapphire crystal and case back. Case thickness: 11.4 mm.Authenticity: Genuine Cartier WatchBand Length: Box & Papers: Cartier booklet marked "Watchmaking Collection & High Jewelry Guarantee"Brand: CartierCase Diameter: 39mmCase Material Type: PinkCondition Type: UnwornDial Color: GreyDisplay: AnalogExternal Wear: NoneFunctionality: Winds, sets, and runs.Gender: Uni-sexInspection Comments: Stunning like new condition Cartier TourbillonModel: Ballon Blue De Cartier Flying Tourbillon WatchReference Number: CRW6920104Serial Number: 371XXWatch Year: WatchFacts Score: Water Testing: