Floating like a balloon and as blue as the sapphire safely nestled in its side, the Ballon Bleu watch by Cartier adds a dash of elegance to male and female wrists alike. Roman numerals are guided on their path by a sapphire cabochon winding mechanism guarded by an arc of precious metal. The convex curves of the case, guilloché dial, sword-shaped hands, and polished or satin-finish links of the bracelet ensure that the Ballon Bleu watch by Cartier floats within the world of Cartier watchmaking.Steel case, fluted crown set with a synthetic spinel cabochon. Sapphire crystal, 12 zones "flinqué" dial, silvered with sun-like finish, 12 Roman numerals, blued-steel sword-shaped hands. Steel bracelet. Self-winding mechanical movement with calibre Cartier 076, water-resistant to 3 bars (30 metres/100 feet).Case dimensions: 33 mm diameter, 9.96 thick.