---
description: Genuine Omega 3303/3313 sliding pinion 722330331121 for Caliber 3303/3313. Swiss original keyless works part for movement repair.
title: Omega 3303/3313 Movement Sliding Pinion 722330331121 - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/06/330331121.jpg
---
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- **Omega 3303/3313 Movement Sliding Pinion 722330331121**
[](https://www.soflypart.com/wp-content/uploads/2019/06/330331121.jpg)
[](https://www.soflypart.com/wp-content/uploads/2019/06/330331121B.jpg)
# Omega 3303/3313 Movement Sliding Pinion 722330331121
$100.00
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| Brand | Choose an option Omega- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $100.00 |
| 3 - 4 | 5% | $95.00 |
| 5+ | 7% | $93.00 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $100.00 |
| 3 - 4 | 5% | $95.00 |
| 5+ | 7% | $93.00 |
Omega 3303/3313 Movement Sliding Pinion 722330331121 quantity
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## Product Description
The **Omega 3303/3313 Movement Sliding Pinion (722330331121)** is a genuine original component used in the keyless works of **Omega Caliber 3303 and 3313** automatic chronograph movements . This sliding pinion engages with the setting lever and crown wheel to enable smooth switching between winding and time-setting modes. It is commonly replaced during professional servicing when wear or irregular hand-setting behavior is detected.
## Features & Function
- **Genuine Omega part** – authentic original component for Caliber 3303 and 3313
- **Keyless works component** – engages with setting lever for mode switching
- **Direct replacement** – designed for professional servicing and restoration
- **Precision-engineered** – manufactured to Omega’s factory specifications
## Specifications
- **Part Number**: 722330331121 (also listed as 3303-31.121)
- **Compatible Movements**: Omega Caliber 3303 A/B, 3313 A/B
- **Part Type**: Sliding pinion (keyless works component)
- **Movement Diameter**: 27.0 mm (12”’)
- **Movement Height**: 6.85 mm
- **Jewels**: 37
- **Frequency**: 28,800 vph (4 Hz)
- **Power Reserve**: 52 hours
- **Chronograph System**: Column-wheel
- **Origin**: Switzerland (Omega factory part)
- **Condition**: Brand new
## Applications
- **Service and overhaul** of Omega Caliber 3303 and 3313 movements
- **Keyless works repair** – replacing worn or damaged sliding pinions
- **Restoration** of Speedmaster, Seamaster Chronograph, and other 3303/3313-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 722330331121), manufactured in Switzerland. It is not an aftermarket or generic component .
**2. Which movements is this sliding pinion compatible with?**
This sliding pinion is compatible with **Omega Caliber 3303 A/B and 3313 A/B** movements. The 3303 features a lever escapement, while the 3313 incorporates Omega’s co-axial escapement .
**3. What is the function of the sliding pinion?**
The sliding pinion is part of the **keyless works** that moves along the winding stem to engage either the crown wheel for manual winding or the setting mechanism for time/date adjustment . It enables the crown to switch between modes smoothly.
## 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 sliding pinion engages with the setting lever and crown wheel to enable smooth switching between winding and time-setting modes. It is commonly replaced during professional servicing when wear or irregular hand-setting behavior is detected. Features & Function Genuine Omega part\u00a0\u2013 authentic original component for Caliber 3303 and 3313 Keyless works component\u00a0\u2013 engages with setting lever for mode switching Direct replacement\u00a0\u2013 designed for professional servicing and restoration Precision-engineered\u00a0\u2013 manufactured to Omega's factory specifications Specifications Part Number: 722330331121 (also listed as 3303-31.121) Compatible Movements: Omega Caliber 3303 A/B, 3313 A/B\u00a0 Part Type: Sliding pinion (keyless works component) Movement Diameter: 27.0 mm (12''')\u00a0 Movement Height: 6.85 mm\u00a0 Jewels: 37\u00a0 Frequency: 28,800 vph (4 Hz)\u00a0 Power Reserve: 52 hours\u00a0 Chronograph System: Column-wheel\u00a0 Origin: Switzerland (Omega factory part) Condition: Brand new Applications Service and overhaul\u00a0of Omega Caliber 3303 and 3313 movements Keyless works repair\u00a0\u2013 replacing worn or damaged sliding pinions Restoration\u00a0of Speedmaster, Seamaster Chronograph, and other 3303/3313-powered 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 722330331121), manufactured in Switzerland. It is not an aftermarket or generic component\u00a0. 2. Which movements is this sliding pinion compatible with? This sliding pinion is compatible with\u00a0Omega Caliber 3303 A/B and 3313 A/B\u00a0movements. The 3303 features a lever escapement, while the 3313 incorporates Omega's co-axial escapement\u00a0. 3. What is the function of the sliding pinion? The sliding pinion is part of the\u00a0keyless works\u00a0that moves along the winding stem to engage either the crown wheel for manual winding or the setting mechanism for time/date adjustment\u00a0. It enables the crown to switch between modes smoothly. 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/2019/06/330331121-150x150.jpg","offers":{"@type":"Offer","description":"Product Description The\u00a0Omega 3303/3313 Movement Sliding Pinion (722330331121)\u00a0is a genuine original component used in the keyless works of\u00a0Omega Caliber 3303 and 3313\u00a0automatic chronograph movements\u00a0. This sliding pinion engages with the setting lever and crown wheel to enable smooth switching between winding and time-setting modes. It is commonly replaced during professional servicing when wear or irregular hand-setting behavior is detected. Features & Function Genuine Omega part\u00a0\u2013 authentic original component for Caliber 3303 and 3313 Keyless works component\u00a0\u2013 engages with setting lever for mode switching Direct replacement\u00a0\u2013 designed for professional servicing and restoration Precision-engineered\u00a0\u2013 manufactured to Omega's factory specifications Specifications Part Number: 722330331121 (also listed as 3303-31.121) Compatible Movements: Omega Caliber 3303 A/B, 3313 A/B\u00a0 Part Type: Sliding pinion (keyless works component) Movement Diameter: 27.0 mm (12''')\u00a0 Movement Height: 6.85 mm\u00a0 Jewels: 37\u00a0 Frequency: 28,800 vph (4 Hz)\u00a0 Power Reserve: 52 hours\u00a0 Chronograph System: Column-wheel\u00a0 Origin: Switzerland (Omega factory part) Condition: Brand new Applications Service and overhaul\u00a0of Omega Caliber 3303 and 3313 movements Keyless works repair\u00a0\u2013 replacing worn or damaged sliding pinions Restoration\u00a0of Speedmaster, Seamaster Chronograph, and other 3303/3313-powered 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 722330331121), manufactured in Switzerland. It is not an aftermarket or generic component\u00a0. 2. Which movements is this sliding pinion compatible with? This sliding pinion is compatible with\u00a0Omega Caliber 3303 A/B and 3313 A/B\u00a0movements. The 3303 features a lever escapement, while the 3313 incorporates Omega's co-axial escapement\u00a0. 3. What is the function of the sliding pinion? The sliding pinion is part of the\u00a0keyless works\u00a0that moves along the winding stem to engage either the crown wheel for manual winding or the setting mechanism for time/date adjustment\u00a0. It enables the crown to switch between modes smoothly. 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. 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