A true “superwatch,” it had been powered via the manually wound Calibre 2896, which integrated a tourbillon, a power reserve indicator, and also a dynamographe, a tool that shows mainspring torque. More noteworthy even than these features had been two substantial shock absorbers — obvious within the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/