every vintage watch can be different after shipment. you would never know.....shipment is on the buyers risk. if you are suspicious from the beginning, then buy from a dealer with a shop and have every questions answered by his watchmaker and held them to account. how would a normal collector/dealer know the answer about original parts to this particular watch for an 30-40 year old watch ? rolex replaces parts all the time during a service. service dials and parts are replacements as well. so what would you buy then ? that leaves you only new rolexes. and they loose value once you close the rolex dealers door from the outside. you need trust for vintage watches and knowledge. both you find here. good luck and kind regards. achim