Floating like a balloon and as blue as the cabochon 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 deep blue winding mechanism. The convex curves of the case. guilloche 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.