ZENITH Solidifies its Worldwide track record because the primary manufacturer of precision chronometers and devices throughout a lot of domains. ZENITH launches the 135-Observatoire constrained edition, producing the acclaimed 135 calibre, serial winner of your Intercontinental Chronometry competitions, commercially available for the very 1st time in its Observatory variant ! https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/