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movement restoration

  1. T

    Irrational results: timing vs. time keeping

    Hello folks, I am in need of advice regarding a semi-vintage ETA 2846 that I thought I had restored. On the timing machine, I have it adjusted (dial down) to about +1s/d, amplitude around 300, and 0ms BE. When I got to this point I thought I had it made, but not so! I cased the movement, set...

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