Not sure if anyone is interested, but there is this curious parts Polerouter with a clapped out case going cheap in Liverpool at the moment. Bezel seems to be stainless so watch is described as steel-and-G/P. Case seems to be the straight lug one which no one seems to want, because it is hardly emblematic of classic Polerouters but it was one of the original SAS cases? Curiously, the .de Polerouter chart doesn't seem to recognise its existance. I think it needs someone in-place to look at the movement.
Its a Polerouter Geneve (probably a reference 40375-x) - different to the 10234 SAS style cases. You can see the difference in specifications (size, and shape) in the Reference Photo Gallery and Tables: https://universalgenevepolerouter.com/referencegallery/