A true “superwatch,” it had been run from the manually wound Calibre 2896, which incorporated a tourbillon, a power reserve indicator, and a dynamographe, a device that shows mainspring torque. Far more noteworthy even than these features had been two significant shock absorbers — visible within the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/