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This is a genuine MIYOTA circuit block electronic module for the 5Y20 movement, made in Japan, designed for the 5Y20 two-hand quartz caliber. It serves as the core control component, generating precise quartz oscillation signals to drive the stepper motor for accurate timekeeping. The 5Y20 is a classic two-hand (hour/minute) compact quartz movement commonly found in ladies’ watches and fashion timepieces. This product is brand new and original, intended for repairing movements that fail to run due to circuit failure.
Brand：MIYOTA (by CITIZEN)
Compatible Movement：5Y20 two-hand quartz caliber (hour/minute, no date)
Origin：Made in Japan
Quality：Genuine original, brand new
Function：Generates and processes time signals for stepper motor
1. Is this circuit module an original MIYOTA genuine part?
Yes. It is an original MIYOTA factory part, made in Japan, designed for the 5Y20 two-hand quartz movement.
2. Which movements is this circuit module compatible with?
It fits the MIYOTA 5Y20 two-hand quartz movement (5½×6¾ ligne, approx. 13.00×15.80mm, 2.54mm height). The 5Y20 is a two-hand, no-date movement with one crown position for time setting. This module does not fit 5Y30 (3-hand) or 5Y32 (3-hand with date) calibers.
3. What are the symptoms of circuit module failure?
The circuit module is the core control component of the movement. Common symptoms include: movement not running after battery replacement, noticeable time gain/loss, or intermittent stoppage. The 5Y20 offers accuracy of ±20 seconds/month with a battery life of approximately 4 years. Timely replacement is recommended.
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