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