A real “superwatch,” it had been powered because of the manually wound Calibre 2896, which involved a tourbillon, a power reserve indicator, plus a dynamographe, a tool that shows mainspring torque. Additional noteworthy even than these functions were being two huge shock absorbers — seen about the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/