A real “superwatch,” it was driven with the manually wound Calibre 2896, which bundled a tourbillon, an influence reserve indicator, and also a dynamographe, a device that displays mainspring torque. Far more noteworthy even than these attributes have been two substantial shock absorbers — visible around the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/