lol. nobody is going to grab your wrist and check your watch out. do you think those underpaid customs workers could tell that a watch is a rep? NO. they cannot. and they don't care. now if you pass through security with many watches, that's going to be a red flag. but if you are just packing a few for your trip there's no problems. an authorized dealer can't even pick out a good rep and call it out just by looking at it, so some customs security worker is not going to know. Just think about it. common sense.