---
description: ETA 955.112/412-4000 Circuit Block Module. Genuine ETA 4000 replacement for R35955412. For quartz movement repair.
title: ETA 955.112/955.412-4000 Circuit Block Electronic Module - Sofly
image: https://www.soflypart.com/wp-content/uploads/2024/04/ETA-955.112-circuit-block.jpg
---
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- **ETA 955.112/955.412-4000 Circuit Block Electronic Module**
[](https://www.soflypart.com/wp-content/uploads/2024/04/ETA-955.112-circuit-block.jpg)
# ETA 955.112/955.412-4000 Circuit Block Electronic Module
$40.00
You Saved
| Brand | Choose an option ETA- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 4 | — | $40.00 |
| 5 - 9 | 5% | $38.00 |
| 10+ | 10% | $36.00 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 4 | — | $40.00 |
| 5 - 9 | 5% | $38.00 |
| 10+ | 10% | $36.00 |
ETA 955.112/955.412-4000 Circuit Block Electronic Module quantity
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## Product Description
The ETA 955.112/955.412-4000 Circuit Block Electronic Module is a genuine Swiss-made replacement component for the ETA 955 series of quartz movements, including the 955.112 (25.6mm diameter) and the smaller 955.412 (23.3mm diameter). This complete circuit and coil assembly is designed to fit Rado’s part number R35955412 and restores the timekeeping, date, and battery end-of-life indicator functions of the caliber. New Old Stock (NOS) modules, like those from ETA production codes, are fully compatible and are an ideal solution for servicing watches that use this movement, such as Rado, Breitling, and Omega models.
## Features & Function
- **Genuine Compatibility**: Designed for ETA 955.112 and 955.412 movements; compatible with Rado part number R35955412 and Omega 1420 movement.
- **Precision Timekeeping**: Powered by a 32,768 Hz quartz oscillator and integrated circuit, ensuring reliable analog and digital display functions.
- **Essential Indicators**: Includes a battery End-of-Life (EOL) indicator, signaling when a new battery is needed.
- **Professional Construction**: Manufactured as a complete circuit and coil assembly (ETA 4000 spec), factory-sealed and ready for installation.
## Specifications
| Parameter | Value |
| --- | --- |
| **Compatible Calibers** | ETA 955.112 (11.5‴ / 25.6mm), ETA 955.412 (10.5‴ / 23.3mm) |
| **Component Type** | Circuit Block & Coil Module (Electronic Module) |
| **Genuine Part No.** | ETA 4000 |
| **Rado Cross-Ref No.** | R35955412 |
| **Battery** | 371 / SR920SW (1.55V, 40mAh) |
| **Jewels** | 7 jewels |
| **Frequency** | 32,768 Hz quartz oscillator |
| **Features** | Central hours/minutes/seconds; Date at 3 or 6 o‘clock; End-of-Life (EOL) indicator |
| **Origin** | Swiss Made (V8 movement) |
## Applications
- Direct replacement for faulty or damaged electronic modules in watches powered by ETA 955.112, 955.412, and Omega 1420 movements.
- Ideal for servicing models from brands such as Breitling, Omega, Rado, TAG Heuer, Hamilton, and Chopard.
- Direct replacement for the electronic circuit block listed under Rado part number R35955412.
## Frequently Asked Questions
**Q1: Is this electronic module a genuine ETA part?**
Yes, this is an original ETA 4000 circuit and coil module, manufactured under ETA specifications. It’s the authentic replacement for the 955 movement family.
**Q2: Can this module be used in a Rado watch with part number R35955412?**
Absolutely. This ETA 4000 circuit block is specifically cross-referenced to Rado part R35955412, ensuring a precise fit for service and repair.
**Q3: Is this an OEM equivalent or an aftermarket clone?**
It is an OEM-spec part, with many listings being New Old Stock (NOS) genuine ETA modules, factory-sealed for guaranteed reliability.
## 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 complete circuit and coil assembly is designed to fit Rado's part number R35955412 and restores the timekeeping, date, and battery end-of-life indicator functions of the caliber. New Old Stock (NOS) modules, like those from ETA production codes, are fully compatible and are an ideal solution for servicing watches that use this movement, such as Rado, Breitling, and Omega models. Features & Function Genuine Compatibility: Designed for ETA 955.112 and 955.412 movements; compatible with Rado part number R35955412 and Omega 1420 movement. Precision Timekeeping: Powered by a 32,768 Hz quartz oscillator and integrated circuit, ensuring reliable analog and digital display functions. Essential Indicators: Includes a battery End-of-Life (EOL) indicator, signaling when a new battery is needed. Professional Construction: Manufactured as a complete circuit and coil assembly (ETA 4000 spec), factory-sealed and ready for installation. 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It's the authentic replacement for the 955 movement family. Q2: Can this module be used in a Rado watch with part number R35955412? Absolutely. This ETA 4000 circuit block is specifically cross-referenced to Rado part R35955412, ensuring a precise fit for service and repair. Q3: Is this an OEM equivalent or an aftermarket clone? It is an OEM-spec part, with many listings being New Old Stock (NOS) genuine ETA modules, factory-sealed for guaranteed reliability. 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\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114. 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Precision Timekeeping: Powered by a 32,768 Hz quartz oscillator and integrated circuit, ensuring reliable analog and digital display functions. Essential Indicators: Includes a battery End-of-Life (EOL) indicator, signaling when a new battery is needed. Professional Construction: Manufactured as a complete circuit and coil assembly (ETA 4000 spec), factory-sealed and ready for installation. Specifications Parameter Value Compatible Calibers ETA 955.112 (11.5\u2034 / 25.6mm), ETA 955.412 (10.5\u2034 / 23.3mm) Component Type Circuit Block & Coil Module (Electronic Module) Genuine Part No. ETA 4000 Rado Cross-Ref No. R35955412 Battery 371 / SR920SW (1.55V, 40mAh) Jewels 7 jewels Frequency 32,768 Hz quartz oscillator Features Central hours/minutes/seconds; Date at 3 or 6 o\u2018clock; End-of-Life (EOL) indicator Origin Swiss Made (V8 movement) Applications Direct replacement for faulty or damaged electronic modules in watches powered by ETA 955.112, 955.412, and Omega 1420 movements. 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