In 1913, Blériot Recalls ZENITH’s precision with these phrases that he shared in the brand name’s guestbook: “I am really happy with the ZENITH observe which I usually use And that i can't advise it extremely plenty of to folks who care about precision”. 6 miles, or 55.seven km) at https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/