A true “superwatch,” it was run from the manually wound Calibre 2896, which integrated a tourbillon, a power reserve indicator, in addition to a dynamographe, a device that shows mainspring torque. Extra noteworthy even than these capabilities have been two large shock absorbers — obvious around the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/