Most visitors online was 1990 , on 7 Feb 2022
Is it possible that the minute hand is being blocked by the hour hand?Do you have a picture of the back of the clock?
Kurt
I agree, that was my immediate thought when I first saw your pics. The weights look as if the have been pulled up too tight and I wonder if the chain may have come off the sprockets. They certainly look as if they are jammed somewhere.They look very high up in the pictures