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This genuine ETA winding stem is designed specifically for the ETA 7750-401 automatic chronograph movement. Manufactured in Switzerland, it ensures precise engagement with the keyless works system for accurate crown operation.
Available in 0.9 / 1.2 mm specification, this stem is suitable for professional movement servicing, repair, and restoration applications.
Installation should be performed by a qualified watchmaker to ensure correct fitment and adjustment.
1. Is this a genuine ETA stem?
Yes, this is an authentic Swiss-made ETA 7750-401 winding stem.
2. Is it compatible with all 7750 movements?
It is specifically designed for ETA 7750-401. Please confirm compatibility before ordering.
3. Is professional installation required?
Yes, installation and adjustment should be performed by a qualified watchmaker.









