ZENITH Solidifies its Global status since the main manufacturer of precision chronometers and instruments across many domains. Pierre Jaquet-Droz (1721-1790), founding father of the trendy watchmaking house that bears his name, was not merely one of the most renowned watchmakers of the 18th century; he was also a pioneer in https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/