---
description: Genuine MIYOTA 5Y30 circuit module, made in Japan. For 5½×6¾ ligne 3-hand movement, integrated quartz oscillator drives stepper motor, fits 379 battery.
title: MIYOTA/CITIZEN 5Y30 Circuit Block Electronic Module - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/05/5Y30C.jpg
---
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- **MIYOTA/CITIZEN 5Y30 Circuit Block Electronic Module**
[](https://www.soflypart.com/wp-content/uploads/2019/05/5Y30C.jpg)
[](https://www.soflypart.com/wp-content/uploads/2019/05/5Y30CB.jpg)
# MIYOTA/CITIZEN 5Y30 Circuit Block Electronic Module
$3.00
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### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 4 | — | $3.00 |
| 5 - 9 | 5% | $2.85 |
| 10+ | 10% | $2.70 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 4 | — | $3.00 |
| 5 - 9 | 5% | $2.85 |
| 10+ | 10% | $2.70 |
MIYOTA/CITIZEN 5Y30 Circuit Block Electronic Module quantity
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## Product Description
This is a **genuine MIYOTA circuit block electronic module (coil block)** for the **5Y30 movement**, **made in Japan**, designed for the **5Y30 3‑hand quartz caliber**. It serves as the **core control component**, integrating a **quartz crystal oscillator** and a **CMOS integrated circuit** to generate precise time base signals for the stepper motor . This product is **brand new and original**, ideal for repairing movements that have failed due to water ingress, battery leakage, or aging electronic components.
## Specifications
- **Brand**：MIYOTA (by CITIZEN)
- **Compatible Movement**：**5Y30** 3-hand quartz caliber (**no date**)
- **Origin**：**Made in Japan**
- **Quality**：**Genuine original**, brand new
- **Function**：**Generates and processes time signals**, drives stepper motor
## FAQ
**1. Is this circuit module an original MIYOTA genuine part?**
**Yes**. It is an **original MIYOTA factory part**, **made in Japan**, designed for the 5Y30 3‑hand quartz movement .
**2. Which movements is this circuit module compatible with?**
It fits the **MIYOTA 5Y30 series quartz movement** (5½×6¾ ligne, approx. 15.75×13mm, 2.54mm height) . The 5Y30 is a **3‑hand, no‑date** movement commonly found in **ladies‘ watches and fashion timepieces** . This module **does not fit 5Y20 (2‑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**, **seconds hand jumping every 4 seconds** (EOL indicator) , or **noticeable time gain/loss** . Use a multimeter to check coil resistance—normal range is approximately **1.8–2.6 kΩ**—an abnormal reading confirms replacement is needed .
## Why Choose SOFLY Watch Parts?
**Fast Worldwide Shipping** – Orders are dispatched within 3 business days.
**Competitive Pricing** – Great value across watch movements, replacement parts and watchmaking tools.
**Extensive Selection** – More than 3,000 watch movements, parts and accessories available.
**Trusted Worldwide** – Trusted by watchmakers, repair professionals and watch enthusiasts worldwide.
**Personalized Sourcing** – Can’t find the part you need? Contact **info@soflypart.com** or WhatsApp **+86 18620212114.**
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It serves as the\u00a0core control component, integrating a\u00a0quartz crystal oscillator\u00a0and a\u00a0CMOS integrated circuit\u00a0to generate precise time base signals for the stepper motor\u00a0. This product is\u00a0brand new and original, ideal for repairing movements that have failed due to water ingress, battery leakage, or aging electronic components. Specifications Brand\uff1aMIYOTA (by CITIZEN) Compatible Movement\uff1a5Y30\u00a03-hand quartz caliber (no date)\u00a0 Origin\uff1aMade in Japan\u00a0 Quality\uff1aGenuine original, brand new Function\uff1aGenerates and processes time signals, drives stepper motor\u00a0 FAQ 1. Is this circuit module an original MIYOTA genuine part? Yes. It is an\u00a0original MIYOTA factory part,\u00a0made in Japan, designed for the 5Y30 3\u2011hand quartz movement\u00a0.\u00a0 2. Which movements is this circuit module compatible with? 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