For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t merely a product of tech but a proof to lasting excellence and accuracy. It signifies a timepiece that: Offers outstanding dependability and precision. Tissot traces its long record back again to 1853, when it had been Launched by the father-son team https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/