For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t only a item of tech but a evidence to lasting excellence and precision. It signifies a timepiece that: Offers exceptional dependability and precision. Pierre Jaquet-Droz (1721-1790), founder of the modern watchmaking house that bears his identify, was not only Just about https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/