For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t simply a product of tech but a evidence to Long lasting excellence and accuracy. It represents a timepiece that: Provides exceptional dependability and precision. ZENITH launches the 135-Observatoire confined version, generating the acclaimed 135 calibre, serial winner with the Worldwide Chronometry https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/