Omega Seamaster Deville Bracelet

Hi. I have a Seamaster Deville bracelet . I have collected vintage watches but have very little knowledge of Omega. The dial on the watch I acquired is in pretty rough shape but I was pleased to see it had what I assume is the original bracelet. Not sure how to read the number- it is either 360 or 630. The number 3 is at the top and the 60 are below as seen in the photo. The end link is # 7. But only one end link is original. The other is a non Omega replacement. I would love to get the other 7 end link. I have seen vintage endlinks go for upwards of $100. If I were able to find one would it be worth that kind of cost? By that I mean would it increase the value of the bracelet by that much? I would find it satisfying to have the whole bracelet intact and original but I do like to know that I’m making a decent investment also. I would appreciate your opinions. Thanks

The 3 60 is the date mark. Third quarter of 1960.

Not sure if you’re aware, but the bracelet is more valuable than the watch - north of 1000$. I wouldn’t hesitate to spend the extra 100$ or so on the end link, it’ll enable you to wear and enjoy it again.

Apologies if I’m wrong, but I think @seekingseaquest had some of these #7s available not too long ago?

Thank you to all. Appreciate the responses. All most helpful! And I think I found the end link I need!