Before base polishing
No, you need a 0.0024 inch thick spring. The model 54 is the 1000 day clock.
I have a Schatz 54. Will a Schatz 49 spring work in the 54?
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No, you need a 0.0024 inch thick spring. The model 54 is the 1000 day clock.
I have a Schatz 54. Will a Schatz 49 spring work in the 54?