Certina 17.351-415, Ratchet wheel
- CERTINA original part, new without factory packaging.
- Fits cal: 17-351
Versions, New generation:
- 17-35: 21.600 A/h, automatic wind, sweep second.
- 17-351: 21.600 A/h, automatic wind, sweep second, date.
- 17-36: 21.600 A/h, manual wind, sweep second.
- 17-361: 21.600 A/h, manual wind, sweep second, date.