A friend of mine need some help. This watch has a broken balance staff. He has been to two different watchmakers and none could help him. So now he going to have a go at it himself. But we nor the watchmakers could tell the movement. They guess it was some kind of AS 137 ? And the other said an English movement?  Anyone recognize it? Sorry but this is all the pictures i have now. If we can remove the balance how should we measure the pivots if we haven't got any? Both broken