A real “superwatch,” it was powered from the manually wound Calibre 2896, which involved a tourbillon, a power reserve indicator, and also a dynamographe, a tool that displays mainspring torque. Far more noteworthy even than these attributes have been two large shock absorbers — noticeable within the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/