Your link is slightly off. It is too tight on either side of the link. Forcing it a little the link will go on but the hole won’t line up to receive the screw. The screw gets jammed about 2/3 of the way in. You need to test it on a genuine watch before you sell them. What is your return policy?
Bracelet End Link for Audemars Piguet AP 15710 26470 15703 Royal Oak Offshore Diver 42mm Watch

