The Ballon Bleu de Cartier watch, released in 2007, is another classic in the making with beautiful curves and rounded edges that give the watch a unique sensation of buoyancy (£3,850).

The Ballon Bleu de Cartier watch, released in 2007, is another classic in the making with beautiful curves and rounded edges that give the watch a unique sensation of buoyancy (£3,850).

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