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  1. 62caster Apr 16, 2024

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    I ordered part 085ST0055 for my 2531.80, but the spring is a different length end to end compared to the OEM and doesn’t seem to work. Does anybody have the correct PN?
     
  2. Archer Omega Qualified Watchmaker Apr 17, 2024

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    That is the correct part number. Can you show photos of both springs?