Cartier Rotonde de Cartier Tourbillon Monopusher Chronograph
Cartier 9431 MC
Rotonde de Cartier Tourbillon Monopusher Chronograph is a wristwatch by Cartier.
For the first time in the history of watchmaking a movement is equipped with the two complications mono-pusher chronograph and tourbillon the calibre Cartier 9431 MC. It was made exclusively for Cartier in 2005 by one of the most renowned Swiss movement manufacturers in the field of Haute Horlogerie, Renaud et Papi.
The transparent sapphire crystal caseback allows a free view on the calibre and its major components like the tourbillon, the rocker which is directly connected with winding device, and the column-wheel, which controls the functions start, stop and zero-reset. In addition, it provides a look at both sides of the tourbillon.