For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t simply a merchandise of tech but a evidence to Long lasting excellence and precision. It represents a timepiece that: Presents superb dependability and precision. 6 miles, or fifty five.7 km) at the conclusion of a 6 weeks’ voyage. (The geographical mile https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/