Obtaining Regarded the prospective and progress with the earliest aviation pioneers, ZENITH supplied a check out to Louis Bleriot, author of the first productive flight throughout the English Channel. ZENITH launches the 135-Observatoire minimal version, earning the acclaimed one hundred thirty five calibre, serial winner of the Global Chronometry competitions, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/