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: Supplies exceptional dependability and precision. Pierre Jaquet-Droz (1721-1790), founding father of the modern watchmaking residence that bears his identify, was not merely one https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/