For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t just a item of tech but a proof to Long lasting excellence and accuracy. It represents a timepiece that: Presents superb dependability and precision. In the meantime, Graham has also ventured outside of their consolation zone with some bigger echelon parts. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/