This watch appears to me to be an Omega from the era after Swatch bought Omega. Without a picture of the movement in the case, this is a guess. I think it could be an early 1980s Omega 1420 movement which is based on an ETA 955.411 caliber. With only a picture of the front of the watch, and no other information, my guess is it is a gold filled case (not solid gold) with a stainless steel back. A good watch from that era, and in good condition today, still possibly a good performer. Sentimentally important, but unfortunately, not considered very collectable. Image from Dr. Roland Ranfft's movement archive.
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