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Omega 23.4 (220), Main spring, no: 770

Omega 23.4 (220), Main spring, no: 770


  • Manufacturer: Prima, no: 140 K 31

  • Fits cal: 23.4, 23.4SC, 24.4SCT1, 23.4T2, 220, 230, 231

  • H: 1,40

  • D: 9

  • F: 0,095

  • L: 310


Versions:


  • 220: (23.4 until 1949), sub second.

  • 230: (23.4SC until 1949), center second.

  • 231: (23.4SCAM until 1949), center second, antimagnetic.