A true “superwatch,” it had been driven with the manually wound Calibre 2896, which bundled a tourbillon, a power reserve indicator, as well as a dynamographe, a device that displays mainspring torque. Extra noteworthy even than these functions were two massive shock absorbers — seen about the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/