In 1913, Blériot Remembers ZENITH’s precision Using these words that he shared in the manufacturer’s guestbook: “I'm pretty happy with the ZENITH look at which I commonly use And that i cannot recommend it extremely sufficient to individuals who treatment about accuracy”. six miles, or fifty five.7 km) at the https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/