In 1913, Blériot Recollects ZENITH’s precision with these text that he shared while in the brand name’s guestbook: “I'm quite satisfied with the ZENITH check out which I ordinarily use And that i can't suggest it very ample to individuals that treatment about accuracy”. Lange & Söhne. I’ll explain why: https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/