OK try this one, its the "collectors" section on the main page

http://www.repgeek.com/forumdisplay.php?f=22

I think most will agree that the "average" person would be EASILY fooled by a quality replica, in fact only a very select few (dealers, watch experts and geeks like us) would be likely to ever pick up on the minute differences.

Get the same watch your dad has, swap it without him knowing, and see if he notices!