Montre Ballon Bleu de Cartier, 42 mm

Ballon Bleu de Cartier watch, 42 mm. Mechanical movement with automatic winding, calibre 1847 MC. Steel case, fluted crown set with a cabochon synthetic spinel, silvered guilloché opaline dial. Blued-steel sword-shaped hands, sapphire crystal, black alligator strap, interchangeable steel folding buckle. Calendar aperture at 3 o'clock. Thickness: 13 mm. Water-resistant to 3 bar (~30 metres).