---
description: Genuine Omega 8500 co-axial wheel 7228500A30040 for Caliber 8500 series. Swiss original escapement part for movement repair.
title: Omega 8500 Movement Co-Axial Wheel 7228500A30040 - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/06/8500A30040B.jpg
---
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- **Omega 8500 Movement Co-Axial Wheel 7228500A30040**
[](https://www.soflypart.com/wp-content/uploads/2019/06/8500A30040B.jpg)
[](https://www.soflypart.com/wp-content/uploads/2019/06/8500A30040.jpg)
# Omega 8500 Movement Co-Axial Wheel 7228500A30040
$150.00
You Saved
| Brand | Choose an option Omega- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $150.00 |
| 3 - 4 | 5% | $142.50 |
| 5+ | 7% | $139.50 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $150.00 |
| 3 - 4 | 5% | $142.50 |
| 5+ | 7% | $139.50 |
Omega 8500 Movement Co-Axial Wheel 7228500A30040 quantity
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## Product Description
The **Omega 8500 Co-Axial Wheel (7228500A30040)** is a precision replacement component designed for the **Omega Caliber 8500** series Co-Axial escapement systems. As a critical element in the co-axial mechanism, it contributes to stable energy transfer and consistent timekeeping performance when restoring or servicing the movement. It is ideal for professional watchmakers performing repairs or overhauls where the original co-axial wheel is worn, damaged, or requires replacement to return the escapement to proper working condition.
## Features & Function
- **Genuine Omega part** – authentic component for Caliber 8500 Co-Axial escapement
- **Co-Axial escapement component** – works with the co-axial escapement system for precise energy transmission
- **Reduced friction design** – co-axial technology requires less lubrication and extends service intervals
- **Restores timekeeping performance** – ensures stable energy transfer and consistent rate
- **Precision-engineered** – manufactured to Omega’s factory specifications
## Specifications
- **Part Number**: 7228500A30040
- **Compatible Movement**: Omega Caliber 8500 series (8500A, 8500B, 8500G)
- **Movement Diameter**: 29.00 mm
- **Movement Height**: 5.5 mm
- **Jewels**: 39
- **Frequency**: 25,200 vph (3.5 Hz)
- **Power Reserve**: 60 hours
- **Escapement Type**: Co-Axial
- **Origin**: Switzerland (Omega factory part)
- **Condition**: Brand new
## Applications
- **Service and overhaul** of Omega Caliber 8500 series movements
- **Co-Axial escapement repair** – replacing worn or damaged co-axial wheels
- **Timekeeping restoration** – ensuring consistent rate and amplitude
- **Restoration** of De Ville Hour Vision, Seamaster Aqua Terra, Constellation, and other 8500‑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 7228500A30040), manufactured in Switzerland. It is not an aftermarket or generic component.
**2. Which movement versions is this co-axial wheel compatible with?**
This co-axial wheel is compatible with **Omega Caliber 8500A, 8500B, and 8500G** versions. Please verify your movement version before ordering.
**3. What is the function of the co-axial wheel?**
The co-axial wheel is part of the **Co-Axial escapement system** – a revolutionary technology developed by Dr. George Daniels and adopted by Omega. It reduces friction, improves long-term accuracy, and requires less frequent servicing compared to traditional lever escapements.
## 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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As a critical element in the co-axial mechanism, it contributes to stable energy transfer and consistent timekeeping performance when restoring or servicing the movement. It is ideal for professional watchmakers performing repairs or overhauls where the original co-axial wheel is worn, damaged, or requires replacement to return the escapement to proper working condition. Features & Function Genuine Omega part\u00a0\u2013 authentic component for Caliber 8500 Co-Axial escapement Co-Axial escapement component\u00a0\u2013 works with the co-axial escapement system for precise energy transmission Reduced friction design\u00a0\u2013 co-axial technology requires less lubrication and extends service intervals Restores timekeeping performance\u00a0\u2013 ensures stable energy transfer and consistent rate Precision-engineered\u00a0\u2013 manufactured to Omega's factory specifications Specifications Part Number: 7228500A30040 Compatible Movement: Omega Caliber 8500 series (8500A, 8500B, 8500G) Movement Diameter: 29.00 mm Movement Height: 5.5 mm Jewels: 39 Frequency: 25,200 vph (3.5 Hz) Power Reserve: 60 hours Escapement Type: Co-Axial Origin: Switzerland (Omega factory part) Condition: Brand new Applications Service and overhaul\u00a0of Omega Caliber 8500 series movements Co-Axial escapement repair\u00a0\u2013 replacing worn or damaged co-axial wheels Timekeeping restoration\u00a0\u2013 ensuring consistent rate and amplitude Restoration\u00a0of De Ville Hour Vision, Seamaster Aqua Terra, Constellation, and other 8500\u2011powered models Suitable for\u00a0professional watchmakers\u00a0and\u00a0authorized service centers FAQs 1. Is this a genuine Omega part? Yes, this is a\u00a0genuine Omega factory part\u00a0(reference 7228500A30040), manufactured in Switzerland. It is not an aftermarket or generic component. 2. Which movement versions is this co-axial wheel compatible with? This co-axial wheel is compatible with\u00a0Omega Caliber 8500A, 8500B, and 8500G\u00a0versions. Please verify your movement version before ordering. 3. What is the function of the co-axial wheel? The co-axial wheel is part of the\u00a0Co-Axial escapement system\u00a0\u2013 a revolutionary technology developed by Dr. George Daniels and adopted by Omega. It reduces friction, improves long-term accuracy, and requires less frequent servicing compared to traditional lever escapements. 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.","image":"https://www.soflypart.com/wp-content/uploads/2019/06/8500A30040B-150x150.jpg","offers":{"@type":"Offer","description":"Product Description The\u00a0Omega 8500 Co-Axial Wheel (7228500A30040)\u00a0is a precision replacement component designed for the\u00a0Omega Caliber 8500\u00a0series Co-Axial escapement systems. As a critical element in the co-axial mechanism, it contributes to stable energy transfer and consistent timekeeping performance when restoring or servicing the movement. It is ideal for professional watchmakers performing repairs or overhauls where the original co-axial wheel is worn, damaged, or requires replacement to return the escapement to proper working condition. Features & Function Genuine Omega part\u00a0\u2013 authentic component for Caliber 8500 Co-Axial escapement Co-Axial escapement component\u00a0\u2013 works with the co-axial escapement system for precise energy transmission Reduced friction design\u00a0\u2013 co-axial technology requires less lubrication and extends service intervals Restores timekeeping performance\u00a0\u2013 ensures stable energy transfer and consistent rate Precision-engineered\u00a0\u2013 manufactured to Omega's factory specifications Specifications Part Number: 7228500A30040 Compatible Movement: Omega Caliber 8500 series (8500A, 8500B, 8500G) Movement Diameter: 29.00 mm Movement Height: 5.5 mm Jewels: 39 Frequency: 25,200 vph (3.5 Hz) Power Reserve: 60 hours Escapement Type: Co-Axial Origin: Switzerland (Omega factory part) Condition: Brand new Applications Service and overhaul\u00a0of Omega Caliber 8500 series movements Co-Axial escapement repair\u00a0\u2013 replacing worn or damaged co-axial wheels Timekeeping restoration\u00a0\u2013 ensuring consistent rate and amplitude Restoration\u00a0of De Ville Hour Vision, Seamaster Aqua Terra, Constellation, and other 8500\u2011powered models Suitable for\u00a0professional watchmakers\u00a0and\u00a0authorized service centers FAQs 1. 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