Ballon Bleu de Cartier

The Ballon Bleu de Cartier tourbillon with double jumping second time zone watch has been designed like a regulator. With its central minute hand and its two jumping hour counters – one for local time and the other for starting-point time, it revolutionises the world of travellers’ watches. It is a subtle yet complex masterpiece of balance, stamped with the Geneva Seal, that makes its transparency into a game for knowledgeable watch lovers as it enables them to discover the details of its fascinating, moving mechanism.