In 1913, Blériot Recalls ZENITH’s precision with these words that he shared during the brand’s guestbook: “I'm pretty pleased with the ZENITH enjoy which I ordinarily use and I simply cannot recommend it highly adequate to those who care about precision”. Pierre Jaquet-Droz (1721-1790), founding father of the fashionable watchmaking https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/