Ballon Bleu de Cartier watch
Ballon Bleu de Cartier watch, 42 mm. Mechanical movement with automatic winding, calibre 1847 MC. Case in steel, fluted crown set with a synthetic cabochon-shaped spinel. Silvered guilloché dial. Blued-steel sword-shaped hands. Sapphire crystal. Calendar aperture at 3 o'clock. Interchangeable steel bracelet. Thickness: 13 mm. Water-resistant to 3 bar (approx. 30 metres).