Ballon Bleu de Cartier watch
Ballon Bleu de Cartier watch, 42 mm, Manufacture self-winding mechanical movement, calibre 1847 MC. Steel case, fluted crown set with a synthetic cabochon-shaped spinel, black dial, Roman numerals, sword-shaped hands, sapphire crystal, black alligator skin strap, double adjustable folding steel buckle, calendar aperture at 3 o'clock. Case dimensions: diameter: 42.1 mm, case thickness: 13 mm. Water-resistant to 3 bar (approx. 30 metres).