Cartier Ballon Bleu de Cartier

The Cartier Ballon Bleu de Cartier, reference WSBB0048, has a round steel case with a diameter of 36 mm. The case is 12.1 mm thick. The movement is the self-winding calibre 1853, with a power reserve of 37 hours. A sapphire crystal covers the silvered guilloché dial. Blued-steel sword-shaped hands show hours and minutes, and the Ballon Bleu de Cartier has central seconds. The fluted steel crown is set with a synthetic cabochon-shaped spinel. Cartier rates the case to 3 bar, approximately 30 metres. An interchangeable steel bracelet is fitted to the watch.