In 1913, Blériot Recollects ZENITH’s precision Using these words that he shared within the brand name’s guestbook: “I'm quite content with the ZENITH watch which I ordinarily use and I cannot advocate it hugely enough to people that treatment about precision”. ZENITH launches the one hundred thirty five-Observatoire constrained edition, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/