In 1913, Blériot Recollects ZENITH’s precision with these words and phrases that he shared in the manufacturer’s guestbook: “I am really satisfied with the ZENITH check out which I ordinarily use and I can't propose it remarkably enough to individuals that treatment about accuracy”. Tissot traces its lengthy historical past https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/