Characterised by its spherical balloon shape case and sapphire cabochon winding mechanism guarded by an arc of precious metal, the Ballon Bleu de Cartier family is truly iconic. The 33mm diameter of this Ballon Bleu de Cartier watch features an exquisite stainless steel and 18ct yellow gold bicolour design that will accentuate any wardrobe.With self-winding mechanical movement, the sapphire blue cabochon-shaped crystal is protected by an arc of precious metal. In steeled-blue, the sword-shaped hands are guided around vivid Roman numerals on the silvered guilloché opaline dial.The 18ct yellow gold and steel bracelet is secured with a deployment clasp. The convex shape provides the illusion of the Ballon Bleu de Cartier joyfully floating on the wrist. Water resistant to 30 metres.