A true “superwatch,” it had been run by the manually wound Calibre 2896, which incorporated a tourbillon, a power reserve indicator, along with a dynamographe, a tool that displays mainspring torque. More noteworthy even than these characteristics were being two significant shock absorbers — seen about the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/