Cartier Ballon Bleu de Cartier

Cartier makes the Ballon Bleu de Cartier reference W4BB0036 with a 36 mm steel case. The round case is 12.06 mm thick. Calibre 1853 is a self-winding mechanical movement with a 37 hour power reserve. A sapphire crystal covers the dial, and blued-steel sword-shaped hands show the hours and minutes. The dial is matte silvered and sunray-brushed, set with 21 brilliant-cut diamonds totalling 0.19 carats, and the bezel is gem set. The fluted steel crown carries a synthetic cabochon-shaped spinel. Cartier rates the case to 30 metres. The watch has an interchangeable steel bracelet.