This Cartier Ballon Bleu, reference WE902031, is a 36mm case in Steel used condition, featuring a Silver Diamond dial, a Smooth bezel, a Steel and Rose Gold bracelet.
Cartier · WE902031
Cartier Ballon Bleu in Steel, 36mm case, Silver Diamond dial, Smooth bezel.
Introduced in 2007, the Ballon Bleu is Cartier's most commercially enduring contemporary design. Its signature floating cabochon crown — a sapphire-capped dome recessed into the case flank — and softly cushioned round case create an immediately recognizable silhouette. Offered across an unusually wide size range with both quartz and automatic calibres, it bridges dress and casual wear with characteristic Cartier elegance. Read the full Ballon Bleu buying guide ›
Founded in Paris in 1847, Cartier built its reputation as jeweler to royalty before becoming a cornerstone of fine watchmaking. Its horological identity rests on iconic case architectures — the Santos, Tank, and Ballon Bleu — rather than in-house movement innovation. Cartier occupies a rare dual position: respected in haute joaillerie and taken seriously by watch collectors, particularly for dress and jewelry watches. Browse all Cartier ›