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Description
- OMEGA original winding stem, not in factory packaging.
- Thread: 0.90 mm.
- Fits cal: 1010, 1011, 1012, 1020, 1021, 1022, 1030, 1035
Versions:
- 1010: automatic, 17 jewels, date.
- 1011: automatic, 23 jewels, chronometer, date.
- 1012: automatic, 23 jewels, date.
- 1020: automatic, 17 jewels, day, date.
- 1021: automatic, 23 jewels, chronometer, day, date.
- 1022: automatic, 23 jewels, day, date.
- 1030: manual, 17 jewels, date.
- 1035: manual, 17 jewels.
