For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t just a product of tech but a proof to lasting excellence and precision. It represents a timepiece that: Gives great dependability and precision. Tissot traces its long historical past again to 1853, when it was founded by the father-son crew of https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/