---
description: Genuine Omega barrel bridge for Caliber 8500/8501, part 7228500A1004118. Swiss-made OEM component for securing barrel and gear train. Essential for repair.
title: Omega Caliber 8500 Barrel Bridge 7228500A1004118 - Sofly
---

[Skip to content](#content)

- [Home](https://www.soflypart.com)
-
- [Products](https://www.soflypart.com/shop/)
-
- [Watch Parts](https://www.soflypart.com/product-category/watch-parts/)
-
- [Genuine Omega Parts](https://www.soflypart.com/product-category/watch-parts/genuine-omega-parts/)
-
- **Omega Caliber 8500 Barrel Bridge 7228500A1004118**

![Awaiting product image](https://www.soflypart.com/wp-content/uploads/woocommerce-placeholder-600x600.png.webp)

# Omega Caliber 8500 Barrel Bridge 7228500A1004118

$180.00  
You Saved

| Brand | Choose an option Omega<ul><li>![Omega](https://www.soflypart.com/wp-content/uploads/2023/06/37.jpg)</li></ul>Clear |
| --- | --- |

### Discount

| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $180.00 |
| 3 - 4 | 5% | $171.00 |
| 5+ | 7% | $167.40 |

### Discount

| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $180.00 |
| 3 - 4 | 5% | $171.00 |
| 5+ | 7% | $167.40 |

Omega Caliber 8500 Barrel Bridge 7228500A1004118 quantity

Add to cart

x

[Checkout](https://www.soflypart.com/checkout/)

- Covers 99% of Repair Needs

- Wholesale Discounts

- Fast Global Shipping

- 24/7 Customer Support

## Product Description

This is a genuine Omega Caliber 8500 barrel bridge (Part Number: 7228500A1004118), an original Swiss‑made component for the Omega Caliber 8500 and 8501 Co‑Axial movements. As a critical structural part of the movement, it secures the mainspring barrel and the gear train, ensuring precise alignment of the wheels for stable power transmission. Replacing this component is essential when the original bridge shows signs of wear, deformation, or stripped thread holes, helping to restore the movement‘s reliability and accuracy.

## Features & Function

- **Genuine Omega Part** – Swiss factory‑original for Caliber 8500/8501, not a copy.
- **Core Barrel & Train Bridge** – Houses the jewels and pivot holes for both the mainspring barrel and the gear train, ensuring precise wheel alignment.
- **Precision Machined** – Jewel holes, screw threads, and locating pins are manufactured to tight tolerances for consistent assembly.
- **Essential for Service** – Replaces worn jewel holes, stripped threads, or deformed bridges to restore movement stability.
- **Compatible Movement** – Designed for Omega Caliber 8500, 8501, and other 8500 series platform calibers.

## Specifications

| Parameter | Details |
| --- | --- |
| Part Name | Barrel Bridge |
| Part Number | Omega 7228500A1004118 |
| Compatible Movements | Omega Caliber 8500, 8501, and other 8500 series platform calibers |
| Function | Secures the mainspring barrel and gear train, maintains wheel alignment |
| Material | High‑strength alloy (precision machined) |
| Origin | Switzerland |
| Condition | Brand new, genuine |

## Applications

- Omega Caliber 8500, 8501 Co‑Axial automatic movements (found in Seamaster, De Ville, Constellation collections).
- Replacing barrel bridges with worn jewel holes that cause unstable amplitude or timekeeping errors during service.
- Repairing gear train binding or poor power transmission caused by stripped threads or a deformed bridge.

## Frequently Asked Questions

**1. Is this a genuine Omega barrel bridge?**  
Yes. It is a Swiss factory‑original part (7228500A1004118) for Caliber 8500/8501, not a copy.

**2. How can I tell if the barrel bridge needs replacement?**  
Common signs: worn jewel holes causing excessive gear endshake; stripped screw threads that cannot be tightened; visible bridge deformation causing gear train binding.

**3. Does this bridge fit the 8501 precious metal version?**  
Yes. The 8500 and 8501 share the same bridge geometry (only the rotor and some bridges are 18K red gold on the 8501; the barrel bridge is identical).

**4. What should I pay attention to during installation?**  
Clean all jewel holes and screw threads before assembly. Ensure all wheel pivots drop into their respective jewels. Use a proper precision screwdriver, tighten screws in a crossing pattern, and follow the torque specifications in the Omega technical guide. Professional installation is strongly recommended.

**5. Does the new bridge require lubrication after installation?**  
Yes. After installing the new bridge, apply the correct amount of dedicated lubricants (e.g., Moebius 9010, HP 1300) to the jewel holes following Omega‘s lubrication specifications.

## 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**.

##### Our Popular Items

[![Cartier Tank 2415 Mineral Crystal](https://www.soflypart.com/wp-content/uploads/2022/04/DSC08929.jpg)](https://www.soflypart.com/product/generic-cartier-tank-wsta0042-4322-sapphire-crystal-18-9mm/)

### [Generic Cartier Tank WSTA0042/4322 Sapphire Crystal 18.9mm](https://www.soflypart.com/product/generic-cartier-tank-wsta0042-4322-sapphire-crystal-18-9mm/)

[![Rolex 4130 Mainspring](https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891.jpg.webp)](https://www.soflypart.com/product/generic-rolex-caliber-1220-1225-mainspring/)

### [Generic Rolex Caliber 1220/1225 Mainspring](https://www.soflypart.com/product/generic-rolex-caliber-1220-1225-mainspring/)

[![Rolex 4130 Mainspring](https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891.jpg.webp)](https://www.soflypart.com/product/generic-rolex-4030-mainspring/)

### [Generic Rolex 4030 Mainspring](https://www.soflypart.com/product/generic-rolex-4030-mainspring/)

[![Rolex 4130 Mainspring](https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891.jpg.webp)](https://www.soflypart.com/product/generic-rolex-2030-2035-mainspring/)

### [Generic Rolex 2030/2035 Mainspring](https://www.soflypart.com/product/generic-rolex-2030-2035-mainspring/)

[![](https://www.soflypart.com/wp-content/uploads/2026/08/Cartier-caliber-191-mainspring.jpg)](https://www.soflypart.com/product/cartier-caliber-191-mainspring/)

### [Cartier Caliber 191 Mainspring](https://www.soflypart.com/product/cartier-caliber-191-mainspring/)

[![](https://www.soflypart.com/wp-content/uploads/2026/08/ETA-E03.001-4000-Circuit-Block-Electronic-Module.jpg)](https://www.soflypart.com/product/eta-e03-001-4000-circuit-block-electronic-module/)

### [ETA E03.001-4000 Circuit Block Electronic Module](https://www.soflypart.com/product/eta-e03-001-4000-circuit-block-electronic-module/)

[![Zenith El Primero 18.0240.4021 Crystal](https://www.soflypart.com/wp-content/uploads/2022/07/DSC09824.jpg)](https://www.soflypart.com/product/generic-zenith-el-primero-chronomaster-02-0310-400-sapphire-crystal-29-85mm/)

### [Generic Zenith El Primero Chronomaster 02.0310.400 Sapphire Crystal 29.85mm](https://www.soflypart.com/product/generic-zenith-el-primero-chronomaster-02-0310-400-sapphire-crystal-29-85mm/)

[![Breguet Classique 8067 Sapphire Crystal](https://www.soflypart.com/wp-content/uploads/2022/04/DSC09612.jpg)](https://www.soflypart.com/product/generic-breguet-classique-5920-5907-sapphire-crystal-30-5mm/)

### [Generic Breguet Classique 5920/5907 Sapphire Crystal 30.5mm](https://www.soflypart.com/product/generic-breguet-classique-5920-5907-sapphire-crystal-30-5mm/)

[![Hattori VD54/VD53 Circuit Block Electronic Module](https://www.soflypart.com/wp-content/uploads/2024/03/Hattori-VD53-circuit.jpg)](https://www.soflypart.com/product/hattori-vd55-vd57-circuit-block-electronic-module/)

### [Hattori VD55/VD57 Circuit Block Electronic Module](https://www.soflypart.com/product/hattori-vd55-vd57-circuit-block-electronic-module/)

[![](https://www.soflypart.com/wp-content/uploads/2026/06/ETA-caliber-2000-1471-stop-pinion.jpg)](https://www.soflypart.com/product/eta-caliber-2000-1471-stop-pinion/)

### [ETA Caliber 2000-1471 Stop Pinion](https://www.soflypart.com/product/eta-caliber-2000-1471-stop-pinion/)

- [![Sellita SW200-161 Centre Tube](https://www.soflypart.com/wp-content/uploads/2021/03/DSC06890.jpg.webp)](https://www.soflypart.com/product/sellita-sw200-161-centre-tube/)Quick View [Add to Cart](https://www.soflypart.com/product/sellita-sw200-161-centre-tube/)Watch Parts [<h2>Sellita SW200-161 Centre Tube</h2>](https://www.soflypart.com/product/sellita-sw200-161-centre-tube/) $2.50  
  You Saved
- [![Rado Coupole 115.0623.3 Crystal](https://www.soflypart.com/wp-content/uploads/2022/11/DSC00403.jpg)](https://www.soflypart.com/product/generic-rado-coupole-115-0623-3-sapphire-crystal-35mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-rado-coupole-115-0623-3-sapphire-crystal-35mm/)Watch Parts [<h2>Generic Rado Coupole 115.0623.3 Sapphire Crystal 35mm</h2>](https://www.soflypart.com/product/generic-rado-coupole-115-0623-3-sapphire-crystal-35mm/) $80.00  
  You Saved
- [![ETA 2824/2834/2836-443 Setting Lever](https://www.soflypart.com/wp-content/uploads/2019/06/28sl.jpg.webp)](https://www.soflypart.com/product/eta-2824-2-2834-2-2836-2-movement-setting-lever/)Quick View [Add to Cart](https://www.soflypart.com/product/eta-2824-2-2834-2-2836-2-movement-setting-lever/)Watch Movement Parts [<h2>ETA 2824/2834/2836-443 Setting Lever</h2>](https://www.soflypart.com/product/eta-2824-2-2834-2-2836-2-movement-setting-lever/) $4.00  
  You Saved
- [![Rolex 4130 Mainspring](https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891.jpg.webp)](https://www.soflypart.com/product/generic-rolex-4030-mainspring/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-rolex-4030-mainspring/)Watch Mainsprings [<h2>Generic Rolex 4030 Mainspring</h2>](https://www.soflypart.com/product/generic-rolex-4030-mainspring/) $13.00  
  You Saved
- [![Rado Jubile 153.0368.3 Crystal](https://www.soflypart.com/wp-content/uploads/2022/11/DSC00667.jpg)](https://www.soflypart.com/product/generic-rado-jubile-153-0368-3-sapphire-crystal-19-5mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-rado-jubile-153-0368-3-sapphire-crystal-19-5mm/)Watch Parts [<h2>Generic Rado Jubile 153.0368.3 Sapphire Crystal 19.5mm</h2>](https://www.soflypart.com/product/generic-rado-jubile-153-0368-3-sapphire-crystal-19-5mm/) $60.00  
  You Saved
- [![Ronda 585/775/785/705 Circuit Block](https://www.soflypart.com/wp-content/uploads/2019/05/705C.jpg.webp)](https://www.soflypart.com/product/ronda-705-movement-circuit-block/)Quick View [Add to Cart](https://www.soflypart.com/product/ronda-705-movement-circuit-block/)Watch Circuit & Coil [<h2>Ronda 585/775/785/705 Circuit Block Electronic Module</h2>](https://www.soflypart.com/product/ronda-705-movement-circuit-block/) $4.00  
  You Saved
- [![Audemars Piguet Royal OAK Sapphire Crystal 23.1mm](https://www.soflypart.com/wp-content/uploads/2023/09/DSC01867.jpg)](https://www.soflypart.com/product/ap-royal-oak-sapphire-crystal-23-1mm/)Quick View [Add to Cart](https://www.soflypart.com/product/ap-royal-oak-sapphire-crystal-23-1mm/)Audemars Piguet Crystal [<h2>Generic Audemars Piguet Royal OAK Sapphire Crystal 23.1mm</h2>](https://www.soflypart.com/product/ap-royal-oak-sapphire-crystal-23-1mm/) $55.00  
  You Saved
- [![Omega Speedmaster 323.21.40 Crystal](https://www.soflypart.com/wp-content/uploads/2023/09/DSC01942.jpg)](https://www.soflypart.com/product/generic-omega-speedmaster-date-323-21-40-sapphire-crystal-30-5mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-omega-speedmaster-date-323-21-40-sapphire-crystal-30-5mm/)Watch Parts [<h2>Generic Omega Speedmaster Date 323.21.40 Sapphire Crystal 30.5mm</h2>](https://www.soflypart.com/product/generic-omega-speedmaster-date-323-21-40-sapphire-crystal-30-5mm/) $45.00  
  You Saved
- [![Omega De Ville 424.20.24 Rose Gold Crown](https://www.soflypart.com/wp-content/uploads/2023/06/DSC01316.jpg)](https://www.soflypart.com/product/generic-omega-de-ville-424-20-24-rose-gold-crown-3-5mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-omega-de-ville-424-20-24-rose-gold-crown-3-5mm/)Watch Parts [<h2>Generic Omega De Ville 424.20.24 Rose Gold Crown 3.5mm 069BG42289</h2>](https://www.soflypart.com/product/generic-omega-de-ville-424-20-24-rose-gold-crown-3-5mm/) $25.00  
  You Saved
- [![Zenith 18.2020.670 Sapphire Crystal](https://www.soflypart.com/wp-content/uploads/2022/07/DSC09814.jpg)](https://www.soflypart.com/product/generic-zenith-captain-central-second-18-2020-670-sapphire-crystal-35-5mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-zenith-captain-central-second-18-2020-670-sapphire-crystal-35-5mm/)Watch Parts [<h2>Generic Zenith Captain Central Second 18.2020.670 Sapphire Crystal 35.5mm</h2>](https://www.soflypart.com/product/generic-zenith-captain-central-second-18-2020-670-sapphire-crystal-35-5mm/) $110.00  
  You Saved

```json
{"@context":"https://schema.org","@graph":[{"@type":["Store","Organization"],"@id":"https://www.soflypart.com/#organization","name":"Sofly","url":"https://www.soflypart.com","logo":{"@type":"ImageObject","@id":"https://www.soflypart.com/#logo","url":"https://www.soflypart.com/wp-content/uploads/2019/12/Sofly-logo.png","contentUrl":"https://www.soflypart.com/wp-content/uploads/2019/12/Sofly-logo.png","caption":"Soflypart","inLanguage":"en-US","width":"180","height":"62"},"openingHours":["Mo,Tu,We,Th,Fr,Sa,Su 09:00-17:00"],"image":{"@id":"https://www.soflypart.com/#logo"}},{"@type":"WebSite","@id":"https://www.soflypart.com/#website","url":"https://www.soflypart.com","name":"Soflypart","publisher":{"@id":"https://www.soflypart.com/#organization"},"inLanguage":"en-US"},{"@type":"BreadcrumbList","@id":"https://www.soflypart.com/product/omega-caliber-8500-barrel-bridge-7228500a1004118/#breadcrumb","itemListElement":[{"@type":"ListItem","position":"1","item":{"@id":"https://www.soflypart.com","name":"Home"}},{"@type":"ListItem","position":"2","item":{"@id":"https://www.soflypart.com/product/omega-caliber-8500-barrel-bridge-7228500a1004118/","name":"Omega Caliber 8500 Barrel Bridge 7228500A1004118"}}]},{"@type":"WebPage","@id":"https://www.soflypart.com/product/omega-caliber-8500-barrel-bridge-7228500a1004118/#webpage","url":"https://www.soflypart.com/product/omega-caliber-8500-barrel-bridge-7228500a1004118/","name":"Omega Caliber 8500 Barrel Bridge 7228500A1004118 - Sofly","datePublished":"2024-12-03T10:44:32+08:00","dateModified":"2026-05-20T09:41:34+08:00","isPartOf":{"@id":"https://www.soflypart.com/#website"},"inLanguage":"en-US","breadcrumb":{"@id":"https://www.soflypart.com/product/omega-caliber-8500-barrel-bridge-7228500a1004118/#breadcrumb"}},{"@type":"ProductGroup","name":"Omega Caliber 8500 Barrel Bridge 7228500A1004118 - Sofly","description":"Genuine Omega barrel bridge for Caliber 8500/8501, part 7228500A1004118. Swiss-made OEM component for securing barrel and gear train. Essential for repair.","sku":"330307301","category":"Watch Parts","mainEntityOfPage":{"@id":"https://www.soflypart.com/product/omega-caliber-8500-barrel-bridge-7228500a1004118/#webpage"},"url":"https://www.soflypart.com/product/omega-caliber-8500-barrel-bridge-7228500a1004118/","productGroupID":"330307301","hasVariant":[{"@type":"Product","sku":"330307301","name":"Omega Caliber 8500 Barrel Bridge 7228500A1004118 - Omega","description":"Product Description This is a genuine Omega Caliber 8500 barrel bridge (Part Number: 7228500A1004118), an original Swiss\u2011made component for the Omega Caliber 8500 and 8501 Co\u2011Axial movements. As a critical structural part of the movement, it secures the mainspring barrel and the gear train, ensuring precise alignment of the wheels for stable power transmission. Replacing this component is essential when the original bridge shows signs of wear, deformation, or stripped thread holes, helping to restore the movement\u2018s reliability and accuracy. Features &amp; Function Genuine Omega Part\u00a0\u2013 Swiss factory\u2011original for Caliber 8500/8501, not a copy. Core Barrel &amp; Train Bridge\u00a0\u2013 Houses the jewels and pivot holes for both the mainspring barrel and the gear train, ensuring precise wheel alignment. Precision Machined\u00a0\u2013 Jewel holes, screw threads, and locating pins are manufactured to tight tolerances for consistent assembly. Essential for Service\u00a0\u2013 Replaces worn jewel holes, stripped threads, or deformed bridges to restore movement stability. Compatible Movement\u00a0\u2013 Designed for Omega Caliber 8500, 8501, and other 8500 series platform calibers. Specifications Parameter Details Part Name Barrel Bridge Part Number Omega 7228500A1004118 Compatible Movements Omega Caliber 8500, 8501, and other 8500 series platform calibers Function Secures the mainspring barrel and gear train, maintains wheel alignment Material High\u2011strength alloy (precision machined) Origin Switzerland Condition Brand new, genuine Applications Omega Caliber 8500, 8501 Co\u2011Axial automatic movements (found in Seamaster, De Ville, Constellation collections). Replacing barrel bridges with worn jewel holes that cause unstable amplitude or timekeeping errors during service. Repairing gear train binding or poor power transmission caused by stripped threads or a deformed bridge. Frequently Asked Questions 1. Is this a genuine Omega barrel bridge? Yes. It is a Swiss factory\u2011original part (7228500A1004118) for Caliber 8500/8501, not a copy. 2. How can I tell if the barrel bridge needs replacement? Common signs: worn jewel holes causing excessive gear endshake; stripped screw threads that cannot be tightened; visible bridge deformation causing gear train binding. 3. Does this bridge fit the 8501 precious metal version? Yes. The 8500 and 8501 share the same bridge geometry (only the rotor and some bridges are 18K red gold on the 8501; the barrel bridge is identical). 4. What should I pay attention to during installation? Clean all jewel holes and screw threads before assembly. Ensure all wheel pivots drop into their respective jewels. Use a proper precision screwdriver, tighten screws in a crossing pattern, and follow the torque specifications in the Omega technical guide. Professional installation is strongly recommended. 5. Does the new bridge require lubrication after installation? Yes. After installing the new bridge, apply the correct amount of dedicated lubricants (e.g., Moebius 9010, HP 1300) to the jewel holes following Omega\u2018s lubrication specifications. 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":"","offers":{"@type":"Offer","description":"Product Description This is a genuine Omega Caliber 8500 barrel bridge (Part Number: 7228500A1004118), an original Swiss\u2011made component for the Omega Caliber 8500 and 8501 Co\u2011Axial movements. As a critical structural part of the movement, it secures the mainspring barrel and the gear train, ensuring precise alignment of the wheels for stable power transmission. Replacing this component is essential when the original bridge shows signs of wear, deformation, or stripped thread holes, helping to restore the movement\u2018s reliability and accuracy. Features &amp; Function Genuine Omega Part\u00a0\u2013 Swiss factory\u2011original for Caliber 8500/8501, not a copy. Core Barrel &amp; Train Bridge\u00a0\u2013 Houses the jewels and pivot holes for both the mainspring barrel and the gear train, ensuring precise wheel alignment. Precision Machined\u00a0\u2013 Jewel holes, screw threads, and locating pins are manufactured to tight tolerances for consistent assembly. Essential for Service\u00a0\u2013 Replaces worn jewel holes, stripped threads, or deformed bridges to restore movement stability. Compatible Movement\u00a0\u2013 Designed for Omega Caliber 8500, 8501, and other 8500 series platform calibers. Specifications Parameter Details Part Name Barrel Bridge Part Number Omega 7228500A1004118 Compatible Movements Omega Caliber 8500, 8501, and other 8500 series platform calibers Function Secures the mainspring barrel and gear train, maintains wheel alignment Material High\u2011strength alloy (precision machined) Origin Switzerland Condition Brand new, genuine Applications Omega Caliber 8500, 8501 Co\u2011Axial automatic movements (found in Seamaster, De Ville, Constellation collections). Replacing barrel bridges with worn jewel holes that cause unstable amplitude or timekeeping errors during service. Repairing gear train binding or poor power transmission caused by stripped threads or a deformed bridge. Frequently Asked Questions 1. Is this a genuine Omega barrel bridge? Yes. It is a Swiss factory\u2011original part (7228500A1004118) for Caliber 8500/8501, not a copy. 2. How can I tell if the barrel bridge needs replacement? Common signs: worn jewel holes causing excessive gear endshake; stripped screw threads that cannot be tightened; visible bridge deformation causing gear train binding. 3. Does this bridge fit the 8501 precious metal version? Yes. The 8500 and 8501 share the same bridge geometry (only the rotor and some bridges are 18K red gold on the 8501; the barrel bridge is identical). 4. What should I pay attention to during installation? Clean all jewel holes and screw threads before assembly. Ensure all wheel pivots drop into their respective jewels. Use a proper precision screwdriver, tighten screws in a crossing pattern, and follow the torque specifications in the Omega technical guide. Professional installation is strongly recommended. 5. Does the new bridge require lubrication after installation? Yes. After installing the new bridge, apply the correct amount of dedicated lubricants (e.g., Moebius 9010, HP 1300) to the jewel holes following Omega\u2018s lubrication specifications. 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.","price":"180","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/omega-caliber-8500-barrel-bridge-7228500a1004118/?attribute_pa_brand=brand-omega"}}],"@id":"https://www.soflypart.com/product/omega-caliber-8500-barrel-bridge-7228500a1004118/#richSnippet"}]}
```
