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This is a genuine MIYOTA 9H second wheel by CITIZEN, made in Japan, designed for FS10/FS20 series quartz chronograph movements. This part is presumably a component of the chronograph or sub-dial display, responsible for transmitting power to the 9 o’clock hand. This product is brand new and original, not a generic replacement part.
Brand:MIYOTA (by CITIZEN)
Compatible Movements:FS10 / FS20 quartz chronograph movements
Part Name:9H Second Wheel (likely for 9 o’clock sub-dial)
Origin:Made in Japan
Quality:Genuine original, brand new
Function:Drives the 9 o’clock hand (typically a chronograph minute counter or small second)
Movement Reference:FS10 (standard) / FS20 (extended functions)
Note:For precise specifications like tooth count and arbor diameter, please refer to the official movement technical guide
1. Is this second wheel an original CITIZEN/MIYOTA genuine part?
Yes. It is presumed to be an original MIYOTA factory part, made in Japan.
2. Which movements is this 9H second wheel compatible with?
It is presumably designed for FS10 and FS20 quartz chronograph movements. It is recommended to check the caliber marking on the movement main plate (FS10 or FS20) for confirmation.
3. What happens if the 9H second wheel is damaged?
It may cause the 9 o’clock sub-dial hand (e.g., chronograph minute counter or small second) to stop or malfunction. Timely replacement is advised.
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