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Found 3 results

  1. Hello, I have a seiko 6139 that run and stops randomly. Now when it's stopped and I barely touch the balance wheel it start running again, can I conclude that he problem is in the balance wheel? I'm thing about some dirt or some jewel problem.
  2. SEIKO 6138/6139 Repair Procedure of CENTER CHRONOGRAPH WHEEL PREAMBLE: My Quest for a Repair Procedure of Seiko 6139B CENTER CHRONOGRAPH WHEEL (PN. 888612) I have on several occasions searched for information on how to repair the infamous Seiko (6138, 6139) CENTER CHRONOGRAPH WHEEL, to n...
  3. Hi, I uncovered in my selection of old stock I got from an auction an automatic Seiko chronograph 6139. I read a little about some problems these watches had, namely the clutch on the centre chronograph wheel and the seconds hand mounting. I am not sure if my diagnosis is close: whi...
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