In 1913, Blériot Recollects ZENITH’s precision Using these phrases that he shared from the manufacturer’s guestbook: “I'm pretty pleased with the ZENITH watch which I typically use and I simply cannot endorse it hugely ample to folks who care about accuracy”. There you've got it, 5 brands that have performed https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/