[rileynp]

I think I also see staining around the battery well that could be indicative of past leakage. Check that your circuit does not have corrosion on it.

 

[rileynp]

Look closer . Right behind where the negative contact (is it even there?) comes out from the circuit- showing as bluish staining. Your insulator also shows signs of being eaten by corrosion.

 

[rileynp]

While the replacement cost of these movements is such that a new movement is the best course of action in most cases, there are technical documents available from Ronda's website that might aid your endeavors: http://www.ronda.ch/en/technical-info/technical-instructions/