A true “superwatch,” it was driven via the manually wound Calibre 2896, which incorporated a tourbillon, a power reserve indicator, in addition to a dynamographe, a device that displays mainspring torque. A lot more noteworthy even than these options were two substantial shock absorbers — obvious on the watch’s dial https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/