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Omega 23.4 T2-1321, Balance staff

Omega 23.4 T2-1321, Balance staff

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  • OMEGA original part. Not in factory packaging.
  • Fits cal: 23,4T2, 220, 230, 231


Technical data Omega cal: 23.4T2 (220).

  • 15 jewels, manual wind, sub second.
  • S: = 23.40 mm
  • H: = 3.75 mm.
  • N: = 18.000 A/h.
  • Power reserve: 43 h.
  • Mainspring: 1.45 x 8.5 - 0.10 - 250 mm.


Versions:

  • 23.4: 15 jewels, sub second, 1936
  • 23.4SC: 15 jewels, sweep second, 1937
  • 23.4T1: 15 jewels, minor mod. 1941
  • 23.4T2: = cal: 220 after 1949
  • 23.4T1SC: = cal: 230 after 1949
  • 231: 15 jewels, sweep second, antimagnetic, 1951