Patek Philippe 7''70-401, Winding stem
- PATEK PHILIPPE original winding stem, not in factory packaging.
- Thread: 0.90 mm.
- Fits cal: 7'' 70
Data Patek Philippe cal: 7'' 70
- 18 jewels, manual wind, hour and minute display.
- S: = 16.20 x 12.00 mm.
- H: = 3.10 mm.
- N: = 21.000 A/h.
- Power reserve:
