In 1913, Blériot Remembers ZENITH’s precision Using these text that he shared while in the model’s guestbook: “I am quite content with the ZENITH watch which I normally use and I can not endorse it highly adequate to people that treatment about accuracy”. six miles, or 55.seven km) at the https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/