Ballon Bleu de Cartier 33Ballon Bleu de Cartier in pursuit of harmony Fluid lines and a distinct round shape Radiant sunray gray dial glistens with 21 brilliant cut diamonds totalling 0. 10 carat Housed in a 33mm steel case secured with the collection's iconic fluted steel crown Driven by a reliable self winding movement with a 37 hour power reserve for longevity and precision HARMONIOUS DESIGN Launched in 2007, the Ballon Bleu de Cartier quickly earned iconic status. Its