In 1913, Blériot Recalls ZENITH’s precision Using these words and phrases that he shared inside the manufacturer’s guestbook: “I'm extremely satisfied with the ZENITH observe which I normally use and I cannot suggest it extremely sufficient to individuals that treatment about precision”. 6 miles, or fifty five.7 km) at the https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/