Ballon Bleu de Cartier

Ballon Bleu de Cartier watch, 42 mm. Mechanical movement with automatic winding, caliber 1847 MC. Steel case, fluted crown set witha cabochon synthetic spinel, blue guilloché dial. Sword-shaped hands, sapphire crystal, blue alligator leather strap, steel interchangeable deployant buckle. Calendar aperture at 3 o’clock. Thickness: 13 mm. Water-resistant up to 3 bar (approx. 30meters/100 feet)