A true “superwatch,” it was run because of the manually wound Calibre 2896, which bundled a tourbillon, a power reserve indicator, along with a dynamographe, a device that displays mainspring torque. More notable even than these options 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/