--- 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 --- [Skip to content](#content) * [ Home ](https://www.soflypart.com "Home") * [Products](https://www.soflypart.com/shop/ "Products") * [Watch Parts](https://www.soflypart.com/product-category/watch-parts/ "Watch Parts") * [Watch Crown, Pusher, Tube](https://www.soflypart.com/product-category/watch-parts/watch-crowns/ "Watch Crown, Pusher, Tube") * **Generic Omega Seamaster 2255.50 Screw Crown 5.5mm 069ST42123** [![Omega Seamaster 2255.50 Screw Crown](https://www.soflypart.com/wp-content/uploads/2023/06/DSC01200-1.jpg)](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 optionOmega![Omega](https://www.soflypart.com/wp-content/uploads/2023/06/37.jpg)[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 Add to cart x [ Checkout ](https://www.soflypart.com/checkout/) * repair Covers 99% of Repair Needs * Wholesale Discounts * Fast Global Shipping * 24/7 Customer Support ## 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**. ##### Our Popular Items [ ![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) 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Aftermarket waterproof crown repair.","sku":"OM002","category":"Watch Parts","mainEntityOfPage":{"@id":"https://www.soflypart.com/product/generic-omega-seamaster-2255-50-screw-crown-5-5mm/#webpage"},"image":[{"@type":"ImageObject","url":"https://www.soflypart.com/wp-content/uploads/2023/06/DSC01200-1.jpg","height":"580","width":"580"}],"url":"https://www.soflypart.com/product/generic-omega-seamaster-2255-50-screw-crown-5-5mm/","productGroupID":"OM002","hasVariant":[{"@type":"Product","sku":"OM002","name":"Generic Omega Seamaster 2255.50 Screw Crown 5.5mm 069ST42123 - Omega","description":"Product Description Generic screw crown for Omega Seamaster 2255.50, part number 069ST42123. Dimensions 5.5 \u00d7 4.3 mm, M0.90 thread, compatible with tube 090ST1242. Stainless steel aftermarket replacement for worn or damaged original screw\u2011down crowns, restoring water resistance, winding and time\u2011setting. Features & Function Screw\u2011down design \u2013 ensures waterproof sealing. M0.90 thread \u2013 fits compatible crown tubes (e.g., 090ST1242). Stainless steel \u2013 durable, corrosion\u2011resistant. Precision fit for Seamaster 2255.50 case. Drop\u2011in replacement \u2013 no case modification. Specifications Parameter Value Part number 069ST42123 Compatibility Omega Seamaster 2255.50 Dimensions 5.5 \u00d7 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?\u00a0 No, generic aftermarket replacement. Q2: Includes crown tube?\u00a0 No, crown only. Tube 090ST1242 sold separately. Q3: Is it screw\u2011down?\u00a0 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\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2023/06/DSC01200-1-150x150.jpg","offers":{"@type":"Offer","description":"Product Description Generic screw crown for Omega Seamaster 2255.50, part number 069ST42123. Dimensions 5.5 \u00d7 4.3 mm, M0.90 thread, compatible with tube 090ST1242. Stainless steel aftermarket replacement for worn or damaged original screw\u2011down crowns, restoring water resistance, winding and time\u2011setting. Features & Function Screw\u2011down design \u2013 ensures waterproof sealing. M0.90 thread \u2013 fits compatible crown tubes (e.g., 090ST1242). Stainless steel \u2013 durable, corrosion\u2011resistant. Precision fit for Seamaster 2255.50 case. Drop\u2011in replacement \u2013 no case modification. Specifications Parameter Value Part number 069ST42123 Compatibility Omega Seamaster 2255.50 Dimensions 5.5 \u00d7 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?\u00a0 No, generic aftermarket replacement. Q2: Includes crown tube?\u00a0 No, crown only. Tube 090ST1242 sold separately. Q3: Is it screw\u2011down?\u00a0 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\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"25","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/generic-omega-seamaster-2255-50-screw-crown-5-5mm/?attribute_pa_brand=brand-omega"}}],"@id":"https://www.soflypart.com/product/generic-omega-seamaster-2255-50-screw-crown-5-5mm/#richSnippet"}]} ```