For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t simply a merchandise of tech but a proof to lasting excellence and precision. It represents a timepiece that: Gives fantastic dependability and precision. Meanwhile, Graham has also ventured outside of their comfort and ease zone with a few higher echelon parts. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/