A real “superwatch,” it had been driven by the manually wound Calibre 2896, which bundled a tourbillon, a power reserve indicator, and also a dynamographe, a device that shows mainspring torque. Far more notable even than these characteristics were two substantial shock absorbers — visible over the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/