A real “superwatch,” it had been powered from the manually wound Calibre 2896, which involved a tourbillon, an influence reserve indicator, along with a dynamographe, a device that displays mainspring torque. Far more noteworthy even than these capabilities were two massive shock absorbers — obvious over the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/