ZENITH Solidifies its international standing as being the primary manufacturer of precision chronometers and devices throughout lots of domains. Tissot traces its very long history again to 1853, when it had been founded by The daddy-son group of Charles-Fileélicien Tissot and Charles-Émile Tissot in Le Locle in Switzerland’s Jura Mountains. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/