The Chronergy Escapement is essentially a Swiss lever but with a few modifications meant to strengthen effectiveness and efficiency. It had been 1st released in the Day-Date 40mm, in 2015, while in the then-new caliber 3255. This watch is based on a person referred to as the 6BB when it https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/