ZENITH Solidifies its Global reputation as being the major manufacturer of precision chronometers and instruments across several domains. Pierre Jaquet-Droz (1721-1790), founding father of the modern watchmaking property that bears his title, was not merely one of the most renowned watchmakers on the 18th century; he was also a pioneer https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/