Ballon Bleu de Cartier watch, 36 mm, self-winding mechanical movement. Case in 18K rose gold 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 18K rose gold. Case thickness: 12.10 mm. Water-resistant to 3 bar (~30 metres).