Ballon Bleu de Cartier watch, 33 mm, self-winding mechanical movement. Case in rose gold 750/1000 set with brilliant-cut diamonds. Fluted crown decorated with a sapphire cabochon. Silvered sunray-brushed dial. Blued-steel sword-shaped hands. Sapphire crystal. Burgundy alligator strap, ardillon buckle in rose gold 750/1000. Case thickness: 10 mm. Water-resistant to 3 bar (~30 metres).