In 1913, Blériot Recalls ZENITH’s precision Using these phrases that he shared during the manufacturer’s guestbook: “I'm incredibly happy with the ZENITH observe which I usually use and I are unable to advise it very adequate to those who treatment about accuracy”. 6 miles, or fifty five.7 km) at the https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/