BALLON DE CARTIER Serial Number:4345315690EY The writing instrument features cap

The writing instrument features cap and barrel in black precious resin with the white Montblanc emblem inlaid in the cap top

Excalibur is the Roger Dubuis signature

Both are surrounded by a scale with the 24 time zones

Please note this product contains magnets

BALLON DE CARTIER Serial Number:4345315690EY The writing instrument features capFloating 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, guilloch 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