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This is a genuine ETA E03.001 movement winding stem, Swiss made, designed for the E03.001 ultra-thin two-hand quartz caliber. It connects the crown to the keyless works for time setting function. The stem features 0.90mm thread specification. This product is brand new and original, typically requiring cutting to case length during installation by a qualified watchmaker.
Compatible Movement：ETA E03.001
Origin：Swiss Made
Thread Spec：0.90mm
1. Is this winding stem an original ETA genuine part?
Yes.
2. Which movements is this stem compatible with?
It fits the ETA E03.001 ultra-thin two-hand caliber (hour/minute), measuring 5½×6¾ ligne (13.00×15.15mm) with only 1.35mm thickness. This is a two-hand display movement with no seconds hand or date.
3. Does the stem need to be cut during installation?
The stem is supplied at a general length and must be cut to fit the specific case length before attaching the crown. For stem removal, the stem must be pushed into position 1 (pressed in) before applying pressure to the setting lever. This should be performed by a qualified watchmaker.
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