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This is a genuine Hattori VX51 circuit block electronic module, made in Japan, designed for the VX51 quartz movement. It serves as the core control component, generating the precise 32,768Hz quartz frequency signal to drive the stepper motor for hour, minute, and second hand timekeeping. The VX51 measures 6¾ × 8 ligne (15.30 × 18.20mm) with a thickness of approximately 2.30mm, uses a 364 (SR621SW) battery, and the stem part number is 351-178 (Tap 9). This product is brand new and original, intended for servicing and repair of VX51 movements.
Brand：Hattori (by Seiko Time Corp./S. Epson)
Compatible Movement：VX51 quartz movement
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. Which movements is this circuit module compatible with?
It fits the Hattori VX51 quartz movement (6¾ × 8 ligne, 15.30 × 18.20mm, approx. 2.30mm thick). This is a 3-hand, no-date movement.
3. 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 or inaccurate timekeeping. Timely replacement is recommended.
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