Ballon Bleu de Cartier watch, 36 mm, mechanical movement with automatic winding. Steel case, rose gold 750/1000 bezel, fluted rose gold 750/1000 crown set with a synthetic cabochon-shaped spinel. Silvered guilloché dial. Blued-steel sword-shaped hands. Sapphire crystal. Interchangeable two-tone bracelet. Thickness: 12.1 mm. Water-resistant to 3 bar (approx. 30 metres).