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.