Cartier Ballon Bleu de Cartier

The Ballon Bleu de Cartier reference WSBB0060 has a 40 mm steel case. The round case is 12.4 mm thick. Calibre 1847 MC is a self-winding mechanical movement with a 40 hour power reserve. A sapphire crystal covers the dark gray sunray-brushed dial. The watch shows central seconds and a date, with the calendar aperture at 3 o'clock. The fluted steel crown is set with a synthetic cabochon-shaped spinel. Cartier rates the case to 30 metres, which it gives as 3 bar. An interchangeable steel bracelet is fitted to the watch.