@Dutchie welcome to the forum!
This was a great introduction and a great first post how we seasoned "dinos" all like it and expect it should be
So I am willing to share information with you:
https://www.omegawatches.com/planet-omega/heritage/vintage-details/15074/
see this site on the Omega official database - it shows you all the deatils you need - the watch shown is 18K but this is the only difference to yours which is 14K. These watches have been built in different alloys/versions.
best
Erich
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