Classic Kienzle Clock. Proudly proclaiming its W.Germany origin, thus lending that extra bit of Cold War-era street cred to your mid eighties euro-hoopdie. Tested, working. It is German after all.
FYI only suitable for flat panel mounting such as in the center pod on a 90/110 dash or other thin layer material because of the way it mounts. Unless you are smarter than I am, which is often the case.