The very first one was the Diabolo tourbillon that dates from the end of the 1980s. That was
Roughly 20 years ago, Cartier had a few stunning Pasha tourbillons in its Collection Privée line (1998-2008). At that time the “Maison” relied on calibers like the 493 MC, based on a Girard-Perregaux movement, to power these watches. And there is absolutely nothing wrong with that since they are reliable, well-finished tourbillon movements.
But from the late 1990s, Cartier decided to develop and produce most of its own calibers, and the 9452 MC flying tourbillon caliber in the Ballon Bleu Tourbillon was one of the first examples together with the automatic 1904 MC base caliber that was built to power several mainstream models.
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