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This is a genuine ETA 256.111 movement winding stem , Swiss made, designed for the 8¼ ligne (18.20mm) 3-hand with date quartz caliber. It connects the crown to the keyless works for time setting and date quickset functions. Featuring 0.90mm thread diameter and 15mm total length. This product is brand new and original, typically requiring cutting to case length during installation.
Part Number:405 / 001771
Compatible Movements:ETA 256.111, 256.031, 256.041
Origin:Swiss Made
Thread Diameter:0.90mm
Total Length:15mm
1. Is this winding stem an original ETA genuine part?
Yes. It is an original ETA factory part from Switzerland.
2. Which movements is this stem compatible with?
It fits ETA 256.111, 256.031, 256.041 and related calibers. The 256.111 has been fully replaced by the E61.111 movement—some parts are interchangeable.
3. Does the stem need to be cut during installation?
The stem has a total length of 15mm and must be cut to fit the specific case length before attaching the crown. This should be performed by a qualified watchmaker.
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