For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t just a merchandise of tech but a evidence to lasting excellence and accuracy. It represents a timepiece that: Presents exceptional dependability and precision. James L. January 14, 2023 The key reason why I say that I'm astonished is because of Certina https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/