---
description: Genuine Omega 8900 shock-absorber lower 7228900A70531 for Caliber 8900. Incabloc system, original Swiss movement protection part.
title: Omega 8900 Movement Shock-Absorber Lower 7228900A70531 - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/06/8900A70531.jpg
---
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- **Omega 8900 Movement Shock-Absorber Lower 7228900A70531**
[](https://www.soflypart.com/wp-content/uploads/2019/06/8900A70531.jpg)
[](https://www.soflypart.com/wp-content/uploads/2019/06/8900A70531B.jpg)
# Omega 8900 Movement Shock-Absorber Lower 7228900A70531
$75.00
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| Brand | Choose an option Omega- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $75.00 |
| 3 - 4 | 5% | $71.25 |
| 5+ | 7% | $69.75 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $75.00 |
| 3 - 4 | 5% | $71.25 |
| 5+ | 7% | $69.75 |
Omega 8900 Movement Shock-Absorber Lower 7228900A70531 quantity
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## Product Description
The **Omega 8900 Movement Shock-Absorber Lower (7228900A70531)** is a genuine Omega original lower shock absorber assembly for the **Caliber 8900 Master Chronometer automatic movement** . This critical protective component for the lower balance staff pivot uses the proven **Incabloc shock protection system**, including an elastic spring, endstone, and setting (chaton). When the watch experiences an external impact, it allows the balance staff pivot to shift slightly within the jewel bearing, absorbing shock energy and automatically recentering to prevent breakage.
## Features & Function
- **Genuine Omega part** – authentic original component for Caliber 8900
- **Incabloc shock protection system** – proven shock-absorbing technology for balance staff protection
- **Complete assembly** – includes elastic spring, endstone, and setting (chaton)
- **Automatic recentering** – returns balance staff to correct position after impact
- **Direct replacement** – ideal for replacing damaged shock springs or worn endstones
## Specifications
- **Part Number**: 7228900A70531
- **Compatible Movement**: Omega Caliber 8900 (Master Chronometer automatic)
- **Movement Diameter**: 29.0 mm
- **Movement Height**: 5.5 mm
- **Jewels**: 39
- **Frequency**: 25,200 vph (3.5 Hz)
- **Power Reserve**: 60 hours
- **Shock Protection**: Incabloc (lower balance pivot)
- **Origin**: Switzerland (Omega factory part)
- **Condition**: Brand new
## Applications
- **Service and overhaul** of Omega Caliber 8900 movements
- **Shock protection repair** – replacing damaged shock springs or worn endstones
- **Restoration** of Seamaster 300, Aqua Terra, Constellation, and other 8900-powered models
- Suitable for **professional watchmakers** and **authorized service centers**
## FAQs
**1. Is this a genuine Omega part?**
Yes, this is a **genuine Omega factory part** (reference 7228900A70531), manufactured in Switzerland. It is not an aftermarket or generic component.
**2. Which movement is this shock-absorber compatible with?**
This shock-absorber is specifically designed for the **Omega Caliber 8900** Master Chronometer automatic movement.
**3. What is the function of the shock-absorber assembly?**
The shock-absorber **protects the balance staff pivot** during impacts by allowing slight movement within the jewel bearing, absorbing shock energy, and automatically recentering to prevent breakage. It consists of an elastic spring, an endstone, and a setting (chaton).
## 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 critical protective component for the lower balance staff pivot uses the proven\u00a0Incabloc shock protection system, including an elastic spring, endstone, and setting (chaton). When the watch experiences an external impact, it allows the balance staff pivot to shift slightly within the jewel bearing, absorbing shock energy and automatically recentering to prevent breakage. Features & Function Genuine Omega part\u00a0\u2013 authentic original component for Caliber 8900 Incabloc shock protection system\u00a0\u2013 proven shock-absorbing technology for balance staff protection Complete assembly\u00a0\u2013 includes elastic spring, endstone, and setting (chaton) Automatic recentering\u00a0\u2013 returns balance staff to correct position after impact Direct replacement\u00a0\u2013 ideal for replacing damaged shock springs or worn endstones Specifications Part Number: 7228900A70531 Compatible Movement: Omega Caliber 8900 (Master Chronometer automatic) Movement Diameter: 29.0 mm Movement Height: 5.5 mm Jewels: 39 Frequency: 25,200 vph (3.5 Hz) Power Reserve: 60 hours Shock Protection: Incabloc (lower balance pivot) Origin: Switzerland (Omega factory part) Condition: Brand new Applications Service and overhaul\u00a0of Omega Caliber 8900 movements Shock protection repair\u00a0\u2013 replacing damaged shock springs or worn endstones Restoration\u00a0of Seamaster 300, Aqua Terra, Constellation, and other 8900-powered models Suitable for\u00a0professional watchmakers\u00a0and\u00a0authorized service centers FAQs 1. 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Features & Function Genuine Omega part\u00a0\u2013 authentic original component for Caliber 8900 Incabloc shock protection system\u00a0\u2013 proven shock-absorbing technology for balance staff protection Complete assembly\u00a0\u2013 includes elastic spring, endstone, and setting (chaton) Automatic recentering\u00a0\u2013 returns balance staff to correct position after impact Direct replacement\u00a0\u2013 ideal for replacing damaged shock springs or worn endstones Specifications Part Number: 7228900A70531 Compatible Movement: Omega Caliber 8900 (Master Chronometer automatic) Movement Diameter: 29.0 mm Movement Height: 5.5 mm Jewels: 39 Frequency: 25,200 vph (3.5 Hz) Power Reserve: 60 hours Shock Protection: Incabloc (lower balance pivot) Origin: Switzerland (Omega factory part) Condition: Brand new Applications Service and overhaul\u00a0of Omega Caliber 8900 movements Shock protection repair\u00a0\u2013 replacing damaged shock springs or worn endstones Restoration\u00a0of Seamaster 300, Aqua Terra, Constellation, and other 8900-powered models Suitable for\u00a0professional watchmakers\u00a0and\u00a0authorized service centers FAQs 1. 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