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This is a genuine circuit block electronic module for the MIYOTA/CITIZEN 0S60 quartz movement, designed for the 0S60 series compact quartz calibers (three‑hand or two‑hand with date). The module integrates a quartz oscillator and CMOS integrated circuit, generating a precise 32,768 Hz time base frequency to drive the stepper motor for accurate hour, minute, and seconds hand movement. As an original OEM replacement part, it provides a direct solution for repairing movement failures caused by water ingress, battery leakage, or aging electronic components.
Genuine MIYOTA Part – Japanese factory‑original for 0S60, not a copy, ensuring perfect fit.
High-Precision Time Base – Integrated 32,768 Hz quartz oscillator provides a stable and reliable time reference.
Multiple Version Support – Drives hour, minute, and seconds hands, also compatible with two‑hand date versions.
Low‑Power CMOS Circuit – With SR626SW (377) or SR920SW (371) battery, typical battery life is 2‑3 years.
Cost‑Effective Repair – Replaces only the faulty circuit board instead of the entire movement, offering significant cost savings.
| Parameter | Details |
|---|---|
| Part Name | Circuit Block / Electronic Module |
| Compatible Movements | MIYOTA/CITIZEN 0S60, 0S60A, 0S60B (0S60 series quartz) |
| Movement Size | Approx. 15.3 × 17.8 mm (6¾‴×8‴), varies slightly by model |
| Movement Thickness | Approx. 2.3 mm |
| Frequency | 32,768 Hz |
| Battery Type | SR626SW (377) or SR920SW (371) |
| Functions | Hour, minute, seconds (or hour, minute, date) |
| Origin | Japan |
| Condition | Brand new, genuine |
MIYOTA/CITIZEN 0S60 series quartz movements (common in small ladies‘ watches, fashion watches, and small‑size quartz watches from brands like Casio, Seiko).
Repair of non‑running movements, inaccurate timekeeping, abnormal seconds hand stepping, or no response after battery replacement.
Particularly suitable for failures caused by water ingress, battery leakage corroding the PCB, or aged electronic components.
Professional watch workshops, DIY enthusiasts.
1. Is this a genuine MIYOTA circuit board?
Yes. It is a Japanese factory-original part for the 0S60 series movements, not a third-party copy.
2. Are the circuit boards for 0S60 and 0S80 interchangeable?
No. The 0S60 is smaller (approx. 15.3×17.8mm) while the 0S80 is larger (approx. 18.8mm) — the circuit boards are different and not interchangeable.
3. How can I tell if the circuit board needs replacement?
Symptoms: the movement does not run with a fresh battery; no pulse output detected on a timing machine; abnormal seconds hand stepping (e.g., jumping two seconds or stopping); visible corrosion on the PCB due to moisture or battery leakage.
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