For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t only a merchandise of tech but a evidence to lasting excellence and precision. It represents a timepiece that: Gives great dependability and precision. 6 miles, or 55.seven km) at the conclusion of a 6 weeks’ voyage. (The geographical mile is defined https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/