Longines 6922-423, Crown wheel core
LONGINES original part, NOS without factory packaging.
- Fits cal: 6902, 6912, 6922, 6942, 6952, 6972
Versions:
- 6902: no second.
- 6912: no second, date.
- 6922. sub. second.
- 6942: sweep second.
- 6952: sweep second, date.
- 6972: sweep second, date, day.
