For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t just a product of tech but a proof to lasting excellence and accuracy. It signifies a timepiece that: Gives superb dependability and precision. As well as his colleague Thomas Earnshaw, the pair would create simplified and sensible maritime chronometers. With that https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/