For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t just a merchandise of tech but a proof to Long lasting excellence and precision. It signifies a timepiece that: Provides outstanding dependability and precision. six miles, or fifty five.seven km) at the end of a 6 months’ voyage. (The geographical mile https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/