A true “superwatch,” it absolutely was run because of the manually wound Calibre 2896, which involved a tourbillon, an influence reserve indicator, plus a dynamographe, a device that displays mainspring torque. Far more noteworthy even than these attributes were two huge shock absorbers — noticeable on the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/