For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t just a merchandise of tech but a proof to lasting excellence and accuracy. It signifies a timepiece that: Provides great dependability and precision. In 2022, ZENITH introduced the DEFY Skyline, with its star-studded dial and smooth and evocative design and style. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/