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This is a genuine Hattori YL61 circuit block electronic module, made in Japan, designed for the YL61 quartz movement. It serves as the core control component, generating the precise 32,768Hz quartz frequency signal to drive the stepper motor for 3-hand timekeeping . This product is brand new and original, intended for servicing and repair of YL61 movements.
Brand：Hattori (by Seiko Time Corp./TMI)
Compatible Movement：YL61 quartz caliber
Part Name：Circuit Block Electronic Module
Origin：Made in Japan
Quality：Genuine original, brand new
Function：Generates and processes time signals, drives stepper motor
1. Is this circuit module an original Hattori genuine part?
Yes. It is an original Hattori factory part, made in Japan.
2. What happens if the circuit module is damaged?
The circuit module is the core control component of the movement, generating the precise quartz oscillation signal and driving the motor. Damage can cause stoppage, inaccurate timekeeping, or abnormal hand movement. The YL61 offers accuracy of ±20 seconds/month—circuit failure directly impacts performance. Timely replacement is recommended.
3. Does this part come with installation tools or instructions?
No. This is a precision electronic component. Installation requires movement disassembly and professional tools. The YL61 uses a 337 battery (SR416SW) and has an operating temperature range of -5℃ to +50℃. Work should be performed by a qualified watchmaker.
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