Ballon Bleu de Cartier watch, 40 mm, manufacture mechanical movement with automatic winding, caliber 1847 MC. 750/1000 rose gold 750/1000 case, fluted crown set with a blue sapphire cabochon, silvered guilloché dial, blued-steel sword-shaped hands, sapphire crystal, interchangeable brown alligator leather strap, interchangeable 750/1000 rose gold 750/1000 deployant buckle, calendar aperture at 3 o’clock. Thickness: 12.4 mm. Water-resistant up to 3 bar (approx. 30 meters/100 feet).
