Cartier Ballon Bleu de Cartier

The Cartier Ballon Bleu de Cartier reference WSBB0026 has a 42 mm steel case. 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 silver guilloché opaline dial and its blued-steel sword-shaped hands. The watch shows central seconds and a date, with the calendar aperture at 3 o'clock. The fluted crown is set with a cabochon synthetic spinel. Cartier rates the case to 30 metres. A black alligator leather strap is fitted to the watch, with a steel folding clasp.