---
description: Generic Omega Seamaster 2255.50 crown tube 090ST1242. Stainless steel aftermarket, multi‑step, restores waterproof seal.
title: Generic Omega Seamaster Diver 2255.50 Tube 090ST1242 - Sofly
image: https://www.soflypart.com/wp-content/uploads/2023/07/DSC01446.jpg
---
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- **Generic Omega Seamaster Diver 2255.50 Tube 090ST1242**
[](https://www.soflypart.com/wp-content/uploads/2023/07/DSC01446.jpg)
# Generic Omega Seamaster Diver 2255.50 Tube 090ST1242
$10.00
You Saved
| Brand | Choose an option Omega- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $10.00 |
| 3 - 4 | 5% | $9.50 |
| 5 - 9 | 8% | $9.20 |
| 10+ | 12% | $8.80 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $10.00 |
| 3 - 4 | 5% | $9.50 |
| 5 - 9 | 8% | $9.20 |
| 10+ | 12% | $8.80 |
Generic Omega Seamaster Diver 2255.50 Tube 090ST1242 quantity
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## Product Description
Generic crown tube for Omega Seamaster Diver 2255.50, part number 090ST1242. Dimensions: 2.6 mm × 2.05 mm + 3.0 mm × 0.55 mm + 2.2 mm × 1.6 mm (multi‑step design). Precision stainless steel, restores waterproof sealing when original tube is worn or damaged. Aftermarket replacement.
## Features & Function
- Multi‑step precision design – matches original tube geometry.
- Stainless steel – durable, corrosion‑resistant.
- Restores water resistance with correct gasket.
- Drop‑in replacement – no case modification.
- Essential for crown thread repair.
## Specifications
| Parameter | Value |
| --- | --- |
| Part number | 090ST1242 |
| Dimensions | 2.6×2.05 + 3.0×0.55 + 2.2×1.6 mm |
| Material | Stainless steel |
| Type | Aftermarket |
## Applications
- Replace worn/stripped original crown tube on Omega Seamaster Diver 2255.50.
- Use during crown replacement or case refurbishment.
- Professional watch repair.
## Frequently Asked Questions
**Q1: Genuine Omega part?** No, aftermarket.
**Q2: Includes gaskets?** No, use original or buy separately.
**Q3: Self‑install?** Professional recommended.
## 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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