Ballon Bleu de Cartier watch
Ballon Bleu de Cartier watch, 40 mm, mechanical movement with automatic winding, calibre 1847 MC. 18K rose gold case, fluted crown set with a cabochon sapphire, silvered guilloché dial, blued-steel sword-shaped hands, sapphire crystal, 18K rose gold interchangeable bracelet, calendar aperture at 3 o’clock. Thickness: 12.4 mm. Water-resistant to 3 bar (approx. 30 metres).