Cartier Ballon Bleu de Cartier

Cartier's Ballon Bleu de Cartier, reference WSBB0049, has a round case in steel that measures 42 mm in diameter. Rated to 30 metres, the case is 13 mm thick. The movement is the self-winding calibre 1847 MC, with a 40 hour power reserve. A sapphire crystal covers the silvered guilloché dial. The hands are blued steel and sword-shaped. The dial shows central seconds and a date in a calendar aperture at 3 o'clock. The fluted steel crown is set with a synthetic cabochon-shaped spinel. The watch is fitted with an interchangeable steel bracelet.