Ballon Bleu de Cartier watch, 40 mm, Manufacture mechanical movement with automatic winding, caliber 1847 MC. 18K rose gold (750/1000) case set with 52 brilliant-cut diamonds totaling 1.06 carats, fluted crown set with a sapphire cabochon, silvered dial with sunray effect, blued-steel sword-shaped hands, sapphire crystal, 18K rose gold (750/1000) interchangeable bracelet, calendar aperture at 3 o’clock. Thickness: 12.4 mm. Water-resistant up to 3 bar (approx. 30 meters/100 feet).