A true “superwatch,” it was driven from the manually wound Calibre 2896, which incorporated a tourbillon, an influence reserve indicator, as well as a dynamographe, a device that shows mainspring torque. Far more noteworthy even than these attributes were being two big shock absorbers — noticeable on the watch’s dial https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/