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This is a genuine MIYOTA second wheel by CITIZEN, made in Japan, designed for the GM00 quartz movement. It directly drives the stepping motion of the second hand as the final output gear of the movement’s timekeeping system, ensuring precise ticking at 1-second intervals. This product is brand new and original, not a generic replacement part.
Brand：MIYOTA (by CITIZEN)
Movement Caliber：GM00
Part Name：Second Wheel
Origin：Made in Japan
Quality：Genuine original, brand new
Compatible Movement：MIYOTA GM00 quartz movement
Function：Drives the second hand (stepping motion)
Movement Size：10½ ligne (23.30mm)
Material：Metal (copper alloy or steel with surface coating)
Structure：Pivoted gear with second hand mounting post
1. Is this second wheel an original CITIZEN/MIYOTA genuine part?
Yes. It is an original MIYOTA factory part, made in Japan, with MIYOTA branding on packaging or the part itself.
2. Which movements is this second wheel compatible with?
This second wheel is specifically designed for the MIYOTA GM00 quartz movement. The GM00 movement offers an accuracy of ±20 seconds per month and uses a 32,768Hz tuning fork type quartz crystal. Please verify your movement caliber is GM00 before installation.
3. What happens if the second wheel is worn or damaged?
The second wheel is one of the most wear-prone transmission components in quartz movements. Damage can cause the second hand to stop, skip, wobble, or jam. Timely replacement is recommended upon detecting any abnormality. A bent second hand post may also cause the hand to scratch the crystal.
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