Ballon Bleu de Cartier watch, 33 mm, mechanical movement with automatic winding. Steel case, fluted steel crown set with a synthetic cabochon-shaped spinel. Steel bezel set with 50 brilliant-cut diamonds totalling 0.58 carat. Silvered guilloché dial. Blued-steel sword-shaped hands. Sapphire crystal. Interchangeable steel bracelet. Thickness: 10.16 mm. Water-resistant to 3 bar (approx. 30 metres).