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This is a genuine MIYOTA hour wheel for the 6S10 movement, made in Japan, designed for the 6S10/6S20/6S30 quartz chronograph calibers. It serves as a core transmission component of the timekeeping system, transmitting power from the minute wheel to drive the hour hand for 12-hour time display. This product is brand new and original, not a generic replacement part.
Brand：MIYOTA (by CITIZEN)
Compatible Movements：6S10 / 6S20 / 6S30 quartz chronograph calibers
Part Name：Hour Wheel
Origin：Made in Japan
Quality：Genuine original, brand new
Function：Drives the hour hand
1. Is this hour wheel an original CITIZEN/MIYOTA genuine part?
Yes. It is an original MIYOTA factory part, made in Japan.
2. Which movements is this hour wheel compatible with?
It fits MIYOTA 6S10, 6S20, and 6S30 series quartz chronograph calibers, which share the same dimensions and layout (15 ligne, Φ34.60mm, 4.90mm height). Verify your movement main plate marking before installation. The 6S10/20/30 primarily differ in date window position and dial design.
3. What happens if the hour wheel is damaged?
The hour wheel is a core component for driving the hour hand. Damage can cause the hour hand to stop, run incorrectly, or jam, affecting time readability. For 6S10 movements, do not use the quickset date function between 21:00 and 1:00 to avoid damaging the calendar mechanism. Timely replacement is recommended.
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