"An Insightful guideline within the heritage of British watchmaking. Horology fans of all stages are guaranteed to find worth here." Ming failed to just slap the movement inside of a situation and call it a day. The actions have been overhauled, updated, and refinished by La Joux Perret in La-Chaux-de-Fonds. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/