Omega 590-1106, Winding stem
- OMEGA original winding stem, new without factory packaging.
- Thread: 0.90 mm.
- Fits cal: 590, 591, 592, 593
Data Omega cal: 590
- 17 jewels automatic wind, center second.
- S: = 27.80 mm.
- H: = 5.35 mm.
- N: = 19800 A/h.
- Power reserve: 48 h.
Versions:
- 590: 17 jewels.
- 591: 20 jewels.
- 592: 17 jewels, date.
- 593: 20 jewels, date.