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This is a genuine ETA 902.002 movement winding stem, Swiss made, designed for the 6¾ x 8 ligne (15.3 x 17.8mm) two-hand ultra-thin quartz caliber. Featuring Tap 10 (0.90mm) specification, it connects the crown to the keyless works for time setting. This product is brand new and original, typically requiring cutting to case length during installation.
Part Number:401-1372 (ETA) / 902.101
Compatible Movements:ETA 902.002, 902.001, 902.005, 902.006 and Bulova 6190
Origin:Swiss Made (Normflatline series)
Thread Spec:Tap 10(0.90mm)
1. Is this winding stem an original ETA genuine part?
Yes.
2. Which movements is this stem compatible with?
It fits ETA 902.002, 902.001, 902.005, 902.006 and Bulova 6190. The 902.002 is a 6¾×8 ligne two-hand movement (no seconds hand) with only 2.35mm thickness.
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. This should be performed by a qualified watchmaker.
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