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 excellent dependability and precision. 6 miles, or fifty five.seven km) at the conclusion of a six months’ voyage. (The geographical mile is https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/