---
description: ETA 902.101-4000 circuit block electronic module — manages timing and display functions for ETA movement. Professional repair and servicing replacement part.
title: ETA 902.101-4000 Circuit Block Electronic Module - Sofly
image: https://www.soflypart.com/wp-content/uploads/2021/08/DSC07684.jpg
---
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- **ETA 902.101-4000 Circuit Block Electronic Module**
[](https://www.soflypart.com/wp-content/uploads/2021/08/DSC07684.jpg)
[](https://www.soflypart.com/wp-content/uploads/2021/08/DSC07685.jpg)
# ETA 902.101-4000 Circuit Block Electronic Module
$15.00
You Saved
| Brand | Choose an option ETA- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 4 | — | $15.00 |
| 5 - 9 | 5% | $14.25 |
| 10+ | 10% | $13.50 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 4 | — | $15.00 |
| 5 - 9 | 5% | $14.25 |
| 10+ | 10% | $13.50 |
ETA 902.101-4000 Circuit Block Electronic Module quantity
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## Product Description
**Circuit block electronic module designed for ETA movement ref. 902.101-4000**. This essential **electronic control component** manages timing and display functions within the movement, ensuring **precise timekeeping and reliable performance**. Designed for **professional watch repair and movement servicing**, serving as a direct replacement for faulty or damaged original modules.
## Features & Function
- **Electronic control module** — manages timing and display functions for ETA 902.101-4000
- **Precision circuit design** — ensures accurate timekeeping and reliable operation
- **Direct replacement** — designed for straightforward swap of faulty or damaged modules
- **Professional-grade quality** — built for watchmaker servicing and movement restoration
- **Stable performance** — maintains consistent electronic function for reliable timekeeping
## Specifications
| Parameter | Value |
| --- | --- |
| **Part Reference** | 902.101-4000 |
| **Type** | Circuit Block Electronic Module |
| **Function** | Electronic Control / Timing / Display |
| **Compatibility** | ETA Movement 902.101-4000 |
| **Application** | Professional Watch Repair / Movement Servicing |
## Applications
- Direct replacement for faulty or damaged circuit block in ETA 902.101-4000
- Professional movement repair and electronic troubleshooting
- Watchmaker spare parts supply
- Restoring proper timing and display functions
## FAQ
**Q1: Is this a genuine ETA part?**
A: This is an **aftermarket replacement circuit block electronic module** designed for ETA movement 902.101-4000. It is not manufactured by ETA.
**Q2: What movement does it fit?**
A: This module is designed for **ETA movement ref. 902.101-4000**.
**Q3: What function does the circuit block serve?**
A: The circuit block **manages timing and display functions** within the movement, ensuring precise and reliable timekeeping.
## Why Choose SOFLY Watch Parts?
- Fast worldwide shipping within 3 business days.
- Competitive pricing on Seiko/Hattori calibers.
- 3,000+ watch movements and parts in stock.
- Trusted by watchmakers worldwide.
- Personalized sourcing support via **info@soflypart.com** or WhatsApp **+86 18620212114**.
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This essential\u00a0electronic control component\u00a0manages timing and display functions within the movement, ensuring\u00a0precise timekeeping and reliable performance. Designed for\u00a0professional watch repair and movement servicing, serving as a direct replacement for faulty or damaged original modules. 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