"An Educational information about the heritage of British watchmaking. Horology enthusiasts of all degrees are confident to seek out benefit here." ZENITH launches the one hundred thirty five-Observatoire minimal version, producing the acclaimed 135 calibre, serial winner in the Intercontinental Chronometry competitions, commercially obtainable for the pretty very first time https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/