The Chronergy Escapement is largely a Swiss lever but with a few modifications meant to strengthen functionality and performance. It absolutely was first introduced in the Working day-Day 40mm, in 2015, inside the then-new caliber 3255. In 1885, produced the 1st nonmagnetic timepiece which incorporated a whole lever assortment product https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/