For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t simply a item of tech but a proof to Long lasting excellence and precision. It represents a timepiece that: Gives great dependability and precision. In the meantime, Graham has also ventured beyond their consolation zone with a few better echelon pieces. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/