In 1913, Blériot Recollects ZENITH’s precision Using these terms that he shared while in the brand’s guestbook: “I am pretty happy with the ZENITH check out which I usually use and I can not endorse it very more than enough to folks who care about accuracy”. six miles, or 55.7 https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/