In 1913, Blériot Remembers ZENITH’s precision with these text that he shared while in the brand name’s guestbook: “I am very content with the ZENITH check out which I normally use And that i can't advise it really sufficient to individuals who treatment about precision”. Pierre Jaquet-Droz (1721-1790), founding father https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/