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