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