--- description: Generic sapphire crystal for JLC Reverso Q3958420, 27.1x21.7x0.75mm flat. Aftermarket replacement, scratch resistant. title: Generic JLC Jaeger-LeCoultre Reverso Q3958420 Sapphire Crystal 27.1mm - Sofly image: https://www.soflypart.com/wp-content/uploads/2022/12/DSC00782.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") * [Jaeger-LeCoultre Crystal](https://www.soflypart.com/product-category/watch-parts/watch-crystals/jaeger-lecoultre-crystal/ "Jaeger-LeCoultre Crystal") * [Watch Crystals](https://www.soflypart.com/product-category/watch-parts/watch-crystals/ "Watch Crystals") * **Generic JLC Jaeger-LeCoultre Reverso Q3958420 Sapphire Crystal 27.1mm** [![JLC Jaeger-LeCoultre Reverso Q3958420 Crystal](https://www.soflypart.com/wp-content/uploads/2022/12/DSC00782.jpg)](https://www.soflypart.com/wp-content/uploads/2022/12/DSC00782.jpg) # Generic JLC Jaeger-LeCoultre Reverso Q3958420 Sapphire Crystal 27.1mm $70.00 You Saved | Brand | Choose an optionJaeger-LeCoultre![Jaeger-LeCoultre](https://www.soflypart.com/wp-content/uploads/2023/06/35.jpg)[Clear](#) | | ----- | -------------------------------------------------------------------------------------------------------------------------- | ### Discount | Quantity | Discount (%) | Price | | -------- | ------------ | ------ | | 1 - 2 | — | $70.00 | | 3 - 4 | 5 % | $66.50 | | 5 - 9 | 7 % | $65.10 | | 10 - 14 | 10 % | $63.00 | | 15+ | 15 % | $59.50 | ### Discount | Quantity | Discount (%) | Price | | -------- | ------------ | ------ | | 1 - 2 | — | $70.00 | | 3 - 4 | 5 % | $66.50 | | 5 - 9 | 7 % | $65.10 | | 10 - 14 | 10 % | $63.00 | | 15+ | 15 % | $59.50 | Generic JLC Jaeger-LeCoultre Reverso Q3958420 Sapphire Crystal 27.1mm 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 flat sapphire crystal for Jaeger‑LeCoultre Reverso Q3958420\. Dimensions 27.1 × 21.7 × 0.75 mm. Aftermarket replacement for damaged original crystals. ## Features & Function * Flat profile – minimal distortion, classic Reverso style. * Synthetic sapphire – scratch resistant (Mohs 9). * High optical clarity – maintains dial readability. * Drop‑in replacement – no case modification. ## Specifications | Parameter | Value | | ---------------- | -------------------- | | Compatible model | JLC Reverso Q3958420 | | Dimensions | 27.1 × 21.7 mm | | Thickness | 0.75 mm | | Material | Synthetic sapphire | | Hardness | Mohs 9 | | Type | Aftermarket | ## Applications * Replace scratched/cracked original crystal on Reverso Q3958420. * Professional watch repair and restoration. ## Frequently Asked Questions **Q1: Genuine JLC part?** No, generic aftermarket. **Q2: Does it include a gasket?** No, use original or purchase separately. **Q3: Quality reliable?** Yes, from reputable suppliers. ## Why Choose SOFLY Watch Parts? * Fast worldwide shipping within 3 business days. * Competitive pricing on 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Synthetic sapphire \u2013 scratch resistant (Mohs 9). High optical clarity \u2013 maintains dial readability. Drop\u2011in replacement \u2013 no case modification. Specifications Parameter Value Compatible model JLC Reverso Q3958420 Dimensions 27.1 \u00d7 21.7 mm Thickness 0.75 mm Material Synthetic sapphire Hardness Mohs 9 Type Aftermarket Applications Replace scratched/cracked original crystal on Reverso Q3958420. Professional watch repair and restoration. Frequently Asked Questions Q1: Genuine JLC part?\u00a0No, generic aftermarket. Q2: Does it include a gasket?\u00a0No, use original or purchase separately. Q3: Quality reliable?\u00a0Yes, from reputable suppliers. 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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