Paying Homage to the two IWC’s legendary Mark sequence pilot’s watches and a series of chronographs the brand name designed in the ’90s, the IWC Pilot’s Chronograph fits appropriate within the manufacturer’s aviation lineup. This was the result of intense R&D from the Manufacture, which envisioned a modern production method https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/