The Chronergy Escapement is essentially a Swiss lever but with some modifications meant to boost overall performance and effectiveness. It had been to start with launched during the Day-Date 40mm, in 2015, during the then-new caliber 3255. In 1885, established the 1st nonmagnetic timepiece which integrated an entire lever assortment https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/