Need help to identify watchcase

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A few years ago i bought a lot with 35kg (!) of parts for Tag Heuer from the 1990's. I was only looking for parts for the "Edge" but the retired watchmaker that sold it wanted to sell the hole lot. So I bought the hole lot!
Amoung the few hundred watchcases I found 3 cases that I cannot figure out what is? It has lugs like the 3000-series, but the rest of it is more like a 1000/1500-clone. I am not sure these are Tag Heuer, but everything else in the lot was T.H. so my first instinkt is that it might be some kind of TH i do not know about? I mean: it was parts for the not so well known "Edge" in the lot, can this be some other "strange" TH? 20241001_212517.jpg
Do anyone know what watch this case belong to?