Cartier Ballon Bleu de Cartier

Cartier's Ballon Bleu de Cartier, reference W6920071, is a watch from the Ballon Bleu collection with a 33 mm round steel case. The case is 10.49 mm thick. Caliber 076 is a self-winding mechanical movement with a 36 hour power reserve. A sapphire crystal covers the silvered guilloché opaline dial, which carries Roman numerals and blued-steel sword-shaped hands. The watch shows hours, minutes and central seconds. The fluted steel crown is decorated with a synthetic spinel cabochon. A steel bracelet is fitted to the watch. Cartier rates the case to 30 metres, or 3 bar.