--- description: Generic sapphire crystal for Roger Dubuis Excalibur RDDBEX0397. 40.5mm domed blue AR. Aftermarket replacement. title: Generic Roger Dubuis Excalibur RDDBEX0397 Sapphire Crystal 40.5mm - Sofly image: https://www.soflypart.com/wp-content/uploads/2024/03/DSC09755.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") * [Roger Dubuis Crystal](https://www.soflypart.com/product-category/watch-parts/watch-crystals/roger-dubuis-crystal/ "Roger Dubuis Crystal") * [Watch Crystals](https://www.soflypart.com/product-category/watch-parts/watch-crystals/ "Watch Crystals") * **Generic Roger Dubuis Excalibur RDDBEX0397 Sapphire Crystal 40.5mm** [![Roger Dubuis Excalibur RDDBEX0397 Crystal](https://www.soflypart.com/wp-content/uploads/2024/03/DSC09755.jpg)](https://www.soflypart.com/wp-content/uploads/2024/03/DSC09755.jpg) # Generic Roger Dubuis Excalibur RDDBEX0397 Sapphire Crystal 40.5mm $75.00 You Saved | Brand | Choose an optionRoger Dubuis![Roger Dubuis](https://www.soflypart.com/wp-content/uploads/2023/06/15.jpg)[Clear](#) | | ----- | ------------------------------------------------------------------------------------------------------------------ | ### Discount | Quantity | Discount (%) | Price | | -------- | ------------ | ------ | | 1 - 2 | — | $75.00 | | 3 - 4 | 5 % | $71.25 | | 5 - 9 | 7 % | $69.75 | | 10 - 14 | 10 % | $67.50 | | 15+ | 15 % | $63.75 | ### Discount | Quantity | Discount (%) | Price | | -------- | ------------ | ------ | | 1 - 2 | — | $75.00 | | 3 - 4 | 5 % | $71.25 | | 5 - 9 | 7 % | $69.75 | | 10 - 14 | 10 % | $67.50 | | 15+ | 15 % | $63.75 | Generic Roger Dubuis Excalibur RDDBEX0397 Sapphire Crystal 40.5mm 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 sapphire crystal for Roger Dubuis Excalibur RDDBEX0397\. Dimensions: 40.5mm diameter, 2.8mm total thickness, 1.7mm step thickness. Domed round shape with blue anti‑reflective coating. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals. ## Features & Function * Domed round with blue AR coating – reduces glare, improves readability * Synthetic sapphire – excellent scratch resistance (Mohs 9) * Precise dimensions: 40.5mm dia, 2.8/1.7mm thick * High optical clarity * Affordable alternative to OEM crystal ## Specifications | Parameter | Value | | ---------------- | --------------------------------- | | Compatible model | Roger Dubuis Excalibur RDDBEX0397 | | Diameter | 40.5 mm | | Total thickness | 2.8 mm | | Step thickness | 1.7 mm | | Shape | Domed round | | Coating | Blue anti‑reflective | | Material | Synthetic sapphire | | Hardness | Mohs 9 | | Type | Aftermarket / Generic | ## Applications * Replace scratched, cracked, or damaged original crystal on Roger Dubuis Excalibur RDDBEX0397. * Professional watch repair and restoration. ## Frequently Asked Questions **Q1: Genuine Roger Dubuis part?** No, generic aftermarket. **Q2: Which model fits?** Roger Dubuis Excalibur RDDBEX0397 (40.5mm crystal). **Q3: Is the coating blue?** Yes, blue reflective AR. ## 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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Features & Function Domed round with blue AR coating \u2013 reduces glare, improves readability Synthetic sapphire \u2013 excellent scratch resistance (Mohs 9) Precise dimensions: 40.5mm dia, 2.8/1.7mm thick High optical clarity Affordable alternative to OEM crystal Specifications Parameter Value Compatible model Roger Dubuis Excalibur RDDBEX0397 Diameter 40.5 mm Total thickness 2.8 mm Step thickness 1.7 mm Shape Domed round Coating Blue anti\u2011reflective Material Synthetic sapphire Hardness Mohs 9 Type Aftermarket / Generic Applications Replace scratched, cracked, or damaged original crystal on Roger Dubuis Excalibur RDDBEX0397. Professional watch repair and restoration. Frequently Asked Questions Q1: Genuine Roger Dubuis part?\u00a0 No, generic aftermarket. Q2: Which model fits?\u00a0 Roger Dubuis Excalibur RDDBEX0397 (40.5mm crystal). Q3: Is the coating blue?\u00a0 Yes, blue reflective AR. 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/2024/03/DSC09755-150x150.jpg","offers":{"@type":"Offer","description":"Product Description Generic sapphire crystal for Roger Dubuis Excalibur RDDBEX0397. Dimensions: 40.5mm diameter, 2.8mm total thickness, 1.7mm step thickness. Domed round shape with blue anti\u2011reflective coating. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals. Features & Function Domed round with blue AR coating \u2013 reduces glare, improves readability Synthetic sapphire \u2013 excellent scratch resistance (Mohs 9) Precise dimensions: 40.5mm dia, 2.8/1.7mm thick High optical clarity Affordable alternative to OEM crystal Specifications Parameter Value Compatible model Roger Dubuis Excalibur RDDBEX0397 Diameter 40.5 mm Total thickness 2.8 mm Step thickness 1.7 mm Shape Domed round Coating Blue anti\u2011reflective Material Synthetic sapphire Hardness Mohs 9 Type Aftermarket / Generic Applications Replace scratched, cracked, or damaged original crystal on Roger Dubuis Excalibur RDDBEX0397. Professional watch repair and restoration. Frequently Asked Questions Q1: Genuine Roger Dubuis part?\u00a0 No, generic aftermarket. Q2: Which model fits?\u00a0 Roger Dubuis Excalibur RDDBEX0397 (40.5mm crystal). Q3: Is the coating blue?\u00a0 Yes, blue reflective AR. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. 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