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This is a genuine MIYOTA setting lever for the 0S10/0S20 movement, made in Japan, designed for the 0S10/0S20 quartz chronograph calibers. It serves as a core component of the keyless works, transmitting crown pull and rotation operations to the clutch and setting mechanism for time setting and date quickset function switching. This product is brand new and original, not a generic replacement part.
Brand:MIYOTA (by CITIZEN)
Compatible Movements:0S10 / 0S20 quartz chronograph calibers
Part Name:Setting Lever
Origin:Made in Japan
Quality:Genuine original, brand new
Function:Time setting and date quickset mode switching
1. Is this setting lever an original CITIZEN/MIYOTA genuine part?
Yes. It is an original MIYOTA factory part, made in Japan.
2. Which movements is this setting lever compatible with?
It fits MIYOTA 0S10 and 0S20 series chronograph calibers, including 0S1A and 0S2A variants. Both measure 13½ ligne (30.80mm). The 0S10 features chronograph hour/min/sec and date, while the 0S20 features chronograph min/sec and a 24-hour indicator. Verify your movement main plate marking before installation.
3. What happens if the setting lever is damaged?
The setting lever is a core component of the keyless works. Damage can cause crown operation failure, inability to set time, or abnormal date quickset function. The 0S10/0S20 use position 1 for date quickset and position 2 for time setting. As a wear-prone component, timely replacement is recommended.
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