In 1913, Blériot Recalls ZENITH’s precision Using these words and phrases that he shared in the brand’s guestbook: “I'm pretty happy with the ZENITH view which I usually use and I can't advocate it really ample to folks who treatment about accuracy”. Pierre Jaquet-Droz (1721-1790), founder of the modern watchmaking https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/