"An Educational tutorial within the heritage of British watchmaking. Horology supporters of all concentrations are positive to search out price here." Pierre Jaquet-Droz (1721-1790), founding father of the fashionable watchmaking residence that bears his title, was not only one of the most renowned watchmakers with the 18th century; he was https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/