Blancpain Le Brassus Tourbillon Carrousel
This Blancpain model is equipped with tourbillon and the carrousel, a similar system invented in 1901. The tourbillon is an 1801 patent registered by Breguet that allows the watch to always operate in the same conditions regardless of the Earth's gravity. It is a cage rotating around a central axis. Thanks to the circular motion, which causes the perpetual displacement of the regulator group, the balance behaves as if the clock were turning along a circumference, thus eliminating the incidence of the force of gravity. This model costs about 4 million dollars.