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Certina 23-30-770, Mainspring

Certina 23-30-770, Mainspring

Tax included.
  • CERTINA original mainspring in factory packaging.
  • Fits cal: 23-30, 23-36 (19.800 A/h).


Versions:

  • 23-20: 18.000 A/h, sub second.
  • 23-30: 19.800 A/h, sub second.
  • 23-35: 18.000 A/h, center second.
  • 23-36: 19.800 A/h, center second.