For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t merely a product of tech but a evidence to lasting excellence and precision. It signifies a timepiece that: Gives excellent dependability and precision. In the meantime, Graham has also ventured outside of their comfort zone with a few increased echelon pieces. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/