In 1913, Blériot Recalls ZENITH’s precision with these words and phrases that he shared while in the manufacturer’s guestbook: “I'm pretty content with the ZENITH enjoy which I ordinarily use and I can't advocate it very adequate to those who treatment about accuracy”. Lange & Söhne. I’ll clarify why: the https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/