In 1913, Blériot Recollects ZENITH’s precision with these text that he shared from the brand’s guestbook: “I'm quite content with the ZENITH watch which I normally use And that i are not able to suggest it extremely adequate to people that treatment about accuracy”. Pierre Jaquet-Droz (1721-1790), founding father of https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/