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Certina 15.20-401L, Winding stem, Long

Certina 15.20-401L, Winding stem, Long

Tax included.
  • CERTINA original winding stem, not in factory packaging.
  • Fits cal: 15.20, 15.21, 17.211, 17.221
  • Thread: 0.90 mm.
  • Total length: 18.40 mm.


Versions:

  • 15.20: 6.75''' 19.800 A/h.
  • 15.21: 6.75''' 21.600 A/h.
  • 17.211: 7.75''' 21.600 A/h, date.
  • 17.221: 7.75''' 21.600 A/h, date, modified balance.