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This is a genuine TMI/Seiko winding stem (Part No. 351-332) for VJ series date function quartz movements, made in Japan. It is compatible with VJ12, VJ21, VJ22, VJ23, VJ24, VJ32, VJ34, VJ42 and other slim date calibers. It serves as the critical mechanical component connecting the crown to the keyless works for time setting and date quickset functions. This product is brand new and original, featuring Tap 10 (0.90mm) specification, and typically requires cutting to case length during installation.
Part Number：351-332 (also referenced as 401 by some suppliers)
Compatible Movements：VJ12, VJ21, VJ22, VJ23, VJ24, VJ32, VJ34, VJ42 and other VJ series date function calibers
Origin：Made in Japan
Quality：Genuine original, brand new
Thread Spec：Tap 10 (0.90mm)
Compatible Movement Sizes：6¾×8‴ to 12½‴
1. Is this winding stem an original TMI/Seiko genuine part?
Yes. It is an original Seiko factory part, made in Japan.
2. Which movements is this stem compatible with?
It fits VJ12, VJ21, VJ22, VJ23, VJ24, VJ32, VJ34, VJ42 and other VJ series date function calibers. The VJ series covers 6¾×8‴ to 12½‴ sizes; the VJ32B measures approximately 2.71mm thick with a 3-year battery life.
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 to ensure proper sealing.
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