Paying Homage to both of those IWC’s iconic Mark series pilot’s watches and a number of chronographs the brand name created throughout the ’90s, the IWC Pilot’s Chronograph fits right within the brand name’s aviation lineup. The expression “chronometer” took on a rather broader which means as private, portable timekeeping, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/