A true “superwatch,” it had been powered via the manually wound Calibre 2896, which bundled a tourbillon, an influence reserve indicator, plus a dynamographe, a device that displays mainspring torque. Much more notable even than these attributes had been two big shock absorbers — obvious to the watch’s dial — https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/