Which model is this?

Hello there!

I have this IWC watch but I'm not sure about the model name. It is from 1980. Does any one recognise this model?

Welcome to the Forum.

Your watch looks like a Ref 3300, available in stainless steel, mixte (stainless steel/14Kt gold), shown below and gold.

Image from the 1981 Wristwatch catalogue

Cheers from the cellar