Omega 1340-9100, Setting stem
- OMEGA original part, not in factory packaging.
- Thread: 0.90 mm.
- Fits cal: 1340, 1342, 1343, 1345, 1346
Versions:
- 1340: no date, H:=3,50 mm.
- 1342: date. Base caliber.
- 1343: date, chronometer.
- 1345: day, date.
- 1346: day, date, chronometer.