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This is a genuine MIYOTA winding stem for 1M/1L/JS/LP series movements, made in Japan, compatible with calibers including 1M12, 1L22, JS25, JS26, JP21. Common variants include Part No. 065-505 (Tap 10) for 10½ ligne calibers, 065-477 (Tap 10) for 6¾×8 ligne movements, and 065-507 (Tap 9) for other models. It serves as the critical component connecting the crown to the keyless works for time setting and function switching. This product is brand new and original, and typically requires cutting to case length during installation.
Compatible Movements：1M02, 1M12, 1L02, 1L12, 1L22, 1L32, JS00, JS10, JS15, JS25, JS26, JS50, JP21, JP27, 2S60, 2S65, etc.
Common Part Numbers：065-505 (10½ ligne, Tap 10)；065-477 (6¾×8 ligne, Tap 10)；065-507 (Tap 9, 21.30mm)
Origin：Made in Japan
Quality：Genuine original, brand new
Thread Spec：Tap 9 / Tap 10 (0.90mm)
Length：Varies by model (065-507: 21.30mm)
1. Is this winding stem an original MIYOTA genuine part?
Yes. It is an original MIYOTA factory part, made in Japan.
2. How do I choose the correct stem variant?
Check the caliber marking on the movement main plate. Choose based on movement size and stem specification. 10½ ligne calibers typically use 065-505 (Tap 10); 6¾×8 ligne calibers typically use 065-477 (Tap 10).
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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