Ballon Bleu de Cartier watch
Ballon Bleu de Cartier watch, 42 mm, mechanical self-winding movement. 18K rose gold case, fluted crown decorated with a blue sapphire cabochon, lacquered silvered guilloché opaline dial, Roman numerals, blued-steel sword-shaped hands, sapphire crystal, alligator-skin strap with double adjustable folding 18K rose gold buckle, calendar aperture at 3 o'clock. Case dimensions: diameter: 42.1 mm, thickness: 13 mm. Water-resistant to 3 bar (approx. 30 metres).