What do you think of this amazing £165,000 ($185,000) Cartier Rotonde De Cartier Astrotourbillon?! Just watch that 'tourbillon' circumnavigate the skeleton dial! It's quite a sight! 🤩💫👍🏻 Technically though, it's not a tourbillon! 😮 The balance wheel does not spin in a cage on it's own axis, but instead, is mounted directly to the seconds hand. That said, the rotation of the balance wheel around the entire dial is ... tourbillon-esque. So what else do you get? 🤔 A 47mm diameter case constru