I bought a watch that needed some work, so immediately after receiving it I sent it off to the watchmaker. I had not noticed, but apparently the previous owner had installed shoulder-less spring bars. The estimate from the WM included "drill out two springbars" for $20. I am not entirely sure how he accomplished the task, but he has the skills and expertise to get it done right. I suspect he used the technique
@Archer described with a drill press. I would pay an expert to get it fixed, rather than risk another blunder.
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