ZENITH Solidifies its Worldwide name because the foremost manufacturer of precision chronometers and instruments across many domains. ZENITH launches the 135-Observatoire limited edition, generating the acclaimed 135 calibre, serial winner with the Global Chronometry competitions, commercially readily available for the extremely 1st time in its Observatory variant ! All eleven https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/