Ballon Bleu de Cartier watch, 42 mm. Mechanical movement with automatic winding, calibre 1847 MC. Steel case, fluted yellow gold 750/1000 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 two-tone strap. Thickness: 13 mm. Water-resistant up to 3 bar (approx. 30 metres).

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