i have done it once and it was on an education we were at a dinner the same day and i was wearing my VAC 111H behind my table there was my boss and some WW Sales people one of them wearing a gen roli ...
he said nice 111h my fried has the same one i accepted the compliment and that was that safe to assure if he asked me i would present it as a gen as i had no other choice or idea at that moment in time ...
lucky for me it did not come to that .... other then this experience pretty much all people that know me and asked me know my watches are reps ...
Laz