CERTINA cal: 320 - 324T

Data Certina 320 aprox: 1950

  • 15 jewels, manual wind, sub second.
  • Size: 12''' 27.0 mm.
  • H: = 3.80 mm.
  • N: = 18.000 A/h.
  • Power reserve: 42 h.


Versions:

  • 320: sub second.
  • 320B: sub second, date hand.
  • 320T: sub second, date.
  • 321: sub second, different bridge shapes.
  • 321T: sub second, different bridge shapes, date.
  • 324: center second.
  • 324T: center second, date.