Be aware the route that the hairspring is mounted: the hairspring starts off on the beat adjustor and winds clockwise from the regulator arm and inwards towards the balance team. There's a new edition of the VR3235 movement which looks very similar nonetheless it has the hairspring mounted counter clockwise. https://rolexaaa69360.blogolenta.com/30083121/5-simple-techniques-for-aaa-rolex-watches