ZENITH Solidifies its Global status as being the leading manufacturer of precision chronometers and instruments throughout many domains. Ming did not just slap the movement in a situation and get in touch with it a day. The actions were being overhauled, updated, and refinished by La Joux Perret in La-Chaux-de-Fonds. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/