In 1913, Blériot Recollects ZENITH’s precision Using these text that he shared inside the model’s guestbook: “I'm extremely pleased with the ZENITH watch which I generally use and I can not suggest it really more than enough to people that care about accuracy”. Lange & Söhne. I’ll describe why: the https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/