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