For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t merely a merchandise of tech but a proof to Long lasting excellence and precision. It signifies a timepiece that: Supplies excellent dependability and precision. Pierre Jaquet-Droz (1721-1790), founder of the modern watchmaking household that bears his title, was not just One https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/