Omega Seamaster Professional bracelett question

Hi.

I got a question to the different times of braceketts for the SM P300.

My (new) watch came in 1996 with the bracelett 1612/932. 20mm endlinks and 18mm at the buckle.
Like this:

This versions seems to be pretty rare resp. maybe sold for just a short period ?
99 % of all pictures on goole show the 326 826 version with 20mm endlinks and also 20mm at the buckle.
Like this:

Is this perception correct? Does anybody has more infos about that ?

THX in advance,
Frank Paul

you are correct. The 20 to 18 bracelett is the 1610/930.
like this:
I do have the full size modell