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This is a genuine MIYOTA 6H second chronograph wheel for the 0S20 movement, made in Japan and brand new, designed for the 0S20 quartz chronograph caliber. It is a critical transmission component in the chronograph module, located at the 6 o’clock sub-dial position, responsible for transmitting chronograph power to the 60-minute or small seconds indicator for precise timing function. This product is brand new and original, ideal for replacing worn components during service or repair.
Brand:MIYOTA (by CITIZEN)
Compatible Movement:0S20 quartz chronograph caliber
Part Name:6H Second Chronograph Wheel
Origin:Made in Japan
Quality:Genuine original, brand new
Function:Drives the small seconds at 6 o’clock or chronograph totalizer
1. Is this 6H second chronograph wheel an original CITIZEN/MIYOTA genuine part?
Yes. It is an original MIYOTA factory part, made in Japan.
2. Which movements is this part compatible with?
It fits MIYOTA 0S20 series chronograph calibers (and 0S2A variants). The movement measures 13½ ligne (approx. 30.80mm) with 5.10mm height. This is the 6H (6 o’clock) second chronograph wheel, driving the small seconds hand or related totalizer function at 6 o’clock.
3. What happens if the 6H second chronograph wheel is damaged?
This wheel drives the small seconds at 6 o’clock or the chronograph totalizer indicator. Damage can cause the 6 o’clock hand to stop or display incorrectly. The 0S20 is a 2-eye chronograph (small seconds at 6H and 60-minute totalizer at 9H)—6H wheel failure will affect small seconds operation. Timely replacement is recommended.
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