For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t merely a product of tech but a proof to Long lasting excellence and precision. It represents a timepiece that: Delivers outstanding dependability and precision. Pierre Jaquet-Droz (1721-1790), founding father of the modern watchmaking house that bears his name, was not just https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/