A true “superwatch,” it had been driven with the manually wound Calibre 2896, which integrated a tourbillon, a power reserve indicator, plus a dynamographe, a tool that shows mainspring torque. Far more noteworthy even than these functions ended up two substantial shock absorbers — visible on the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/