The Chronergy Escapement is basically a Swiss lever but with some modifications meant to enhance functionality and efficiency. It was first launched inside the Day-Date 40mm, in 2015, during the then-new caliber 3255. The enjoy you see will be the enjoy you have, the ailment and authenticity of our watches https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/