---
description: Generic Omega Seamaster 2255.50 screw crown 5.5mm 069ST42123 M0.90, fits tube 090ST1242. Aftermarket waterproof crown repair.
title: Generic Omega Seamaster 2255.50 Screw Crown 5.5mm 069ST42123 - Sofly
image: https://www.soflypart.com/wp-content/uploads/2023/06/DSC01200-1.jpg
---
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- **Generic Omega Seamaster 2255.50 Screw Crown 5.5mm 069ST42123**
[](https://www.soflypart.com/wp-content/uploads/2023/06/DSC01200-1.jpg)
# Generic Omega Seamaster 2255.50 Screw Crown 5.5mm 069ST42123
$25.00
You Saved
| Brand | Choose an option Omega- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $25.00 |
| 3 - 4 | 5% | $23.75 |
| 5 - 9 | 8% | $23.00 |
| 10+ | 12% | $22.00 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $25.00 |
| 3 - 4 | 5% | $23.75 |
| 5 - 9 | 8% | $23.00 |
| 10+ | 12% | $22.00 |
Generic Omega Seamaster 2255.50 Screw Crown 5.5mm 069ST42123 quantity
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## Product Description
Generic screw crown for Omega Seamaster 2255.50, part number 069ST42123. Dimensions 5.5 × 4.3 mm, M0.90 thread, compatible with tube 090ST1242. Stainless steel aftermarket replacement for worn or damaged original screw‑down crowns, restoring water resistance, winding and time‑setting.
## Features & Function
- Screw‑down design – ensures waterproof sealing.
- M0.90 thread – fits compatible crown tubes (e.g., 090ST1242).
- Stainless steel – durable, corrosion‑resistant.
- Precision fit for Seamaster 2255.50 case.
- Drop‑in replacement – no case modification.
## Specifications
| Parameter | Value |
| --- | --- |
| Part number | 069ST42123 |
| Compatibility | Omega Seamaster 2255.50 |
| Dimensions | 5.5 × 4.3 mm |
| Thread | M0.90 |
| Compatible tube | 090ST1242 |
| Material | Stainless steel |
| Type | Aftermarket |
## Applications
- Replace worn or stripped screw crown on Omega Seamaster 2255.50.
- Use with tube 090ST1242 for complete waterproof repair.
- Professional watch repair and DIY.
## Frequently Asked Questions
**Q1: Genuine Omega part?**
No, generic aftermarket replacement.
**Q2: Includes crown tube?**
No, crown only. Tube 090ST1242 sold separately.
**Q3: Is it screw‑down?**
Yes, designed for water resistance.
## 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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