A true “superwatch,” it was driven from the manually wound Calibre 2896, which incorporated a tourbillon, an influence reserve indicator, along with a dynamographe, a tool that displays mainspring torque. Much more noteworthy even than these functions were being two large shock absorbers — visible about the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/