Cartier Ballon Bleu de Cartier

The Cartier Ballon Bleu de Cartier, reference W6920097, has a 33 mm round case in rose gold. The case is 10.16 mm thick. Cartier rates the case to 30 metres. Calibre 1853 is a self-winding mechanical movement with a 37 hour power reserve. A sapphire crystal covers the silvered guilloché and lacquered opaline dial, which has 12 Roman numerals and sword-shaped hands in blued steel. The watch shows hours, minutes and central seconds. The fluted crown is set with a blue sapphire cabochon. The strap is alligator skin, with a rose gold pin buckle.