Vespa 150 GS Doubt with closure of seat

I want to finish my restoration and only I need the saddle, my question is, that closure of saddle I need for this seat: 75512500.

Option 1: 75516000


Option 2: 79004760

I think it has to be option 1, but I wish they addressed me doubt before asking the saddle and it can not mount it by the closure.

Thanks a lot.

well I expected any reply from someone at Sip, I hope that the suiguiente the question is answered by someone.


Option 1 is correct for the seat you have.

The other one (option 2) would be right for the Denfeld seat which was used on German made GS/3.