Peseux 330, Winding stem, no: 401

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  New original part. Not in factory packaging.
• 
  Thread: 90
• 
  Fits cal: 200, 330, 335, 336, 336N

Versions:

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  330: sub second.
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  335: sweep second.
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  336: sub second, date.
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  336N: sub second, date.