In 1913, Blériot Recollects ZENITH’s precision Using these text that he shared in the brand name’s guestbook: “I'm very happy with the ZENITH view which I commonly use and I are unable to propose it remarkably sufficient to people that care about precision”. In conjunction with his colleague Thomas Earnshaw, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/