In 1913, Blériot Recollects ZENITH’s precision Using these words that he shared inside the brand name’s guestbook: “I am very happy with the ZENITH look at which I commonly use and I can not suggest it extremely enough to individuals that care about precision”. 6 miles, or 55.7 km) at https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/