A real “superwatch,” it was driven through the manually wound Calibre 2896, which bundled a tourbillon, a power reserve indicator, in addition to a dynamographe, a device that shows mainspring torque. Additional notable even than these options ended up two big shock absorbers — seen about the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/