For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t just a item of tech but a evidence to lasting excellence and precision. It represents a timepiece that: Delivers excellent dependability and precision. Pierre Jaquet-Droz (1721-1790), founding father of the trendy watchmaking dwelling that bears his identify, was not just One https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/