For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t merely a merchandise of tech but a proof to lasting excellence and precision. It represents a timepiece that: Offers exceptional dependability and precision. six miles, or 55.seven km) at the end of a six months’ voyage. (The geographical mile is outlined https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/