---
description: Plexi glass for Omega Speedmaster 311.30.42/310.30.42 — 34.1×5.5mm, domed acrylic, vintage aesthetic. Authentic replacement for Speedmaster Professional.
title: Generic Omega Speedmaster 310.30.42 Plexi Glass 34.1mm - Sofly
image: https://www.soflypart.com/wp-content/uploads/2022/01/DSC08534.jpg
---
[Skip to content](#content)
- [Home](https://www.soflypart.com)
-
- [Products](https://www.soflypart.com/shop/)
-
- [Watch Parts](https://www.soflypart.com/product-category/watch-parts/)
-
- [Omega Crystal](https://www.soflypart.com/product-category/watch-parts/watch-crystals/omega-crystal/)
-
- [Watch Crystals](https://www.soflypart.com/product-category/watch-parts/watch-crystals/)
-
- **Generic Omega Speedmaster 310.30.42 Plexi Glass 34.1mm**
[](https://www.soflypart.com/wp-content/uploads/2022/01/DSC08534.jpg)
# Generic Omega Speedmaster 310.30.42 Plexi Glass 34.1mm
$15.00
You Saved
| Brand | Choose an option Omega- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $15.00 |
| 3 - 4 | 5% | $14.25 |
| 5 - 9 | 7% | $13.95 |
| 10 - 14 | 10% | $13.50 |
| 15+ | 15% | $12.75 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $15.00 |
| 3 - 4 | 5% | $14.25 |
| 5 - 9 | 7% | $13.95 |
| 10 - 14 | 10% | $13.50 |
| 15+ | 15% | $12.75 |
Generic Omega Speedmaster 310.30.42 Plexi Glass 34.1mm quantity
Add to cart
x
[Checkout](https://www.soflypart.com/checkout/)
- Covers 99% of Repair Needs
- Wholesale Discounts
- Fast Global Shipping
- 24/7 Customer Support
## Product Description
**Plexi glass crystal engineered for Omega Speedmaster refs. 311.30.42, 310.30.42 & 3577.50.00**, precisely cut to **34.1 mm diameter × 5.5 mm height**. Crafted from premium acrylic material, delivering **authentic vintage appearance** that perfectly complements the iconic Speedmaster Professional design.
## Features & Function
- **Premium plexi glass material** — authentic acrylic for vintage Speedmaster aesthetic
- **34.1 × 5.5 mm precision dimensions** — exact fit for multiple Speedmaster references
- **Domed profile** — classic elevated design matching original Speedmaster Professional
- **Crystal-clear clarity** — excellent optical transparency for dial visibility
- **Easy polishing** — plexi glass can be polished to remove minor scratches
## Specifications
| Parameter | Value |
| --- | --- |
| **Brand** | Generic |
| **Material** | Plexi Glass (Acrylic) |
| **Diameter** | 34.1 mm |
| **Height** | 5.5 mm |
| **Profile** | Domed |
| **Compatibility** | Omega Speedmaster 311.30.42 / 310.30.42 / 3577.50.00 |
## Applications
- Direct replacement for damaged or scratched original Speedmaster plexi glass
- Professional watch repair and restoration
- Vintage Omega Speedmaster Professional preservation
- Watchmaker and collector spare parts supply
## FAQ
**Q1: Is this a genuine Omega crystal?**
A: This is an **aftermarket replacement plexi glass** designed for Omega Speedmaster references. It is not manufactured by Omega.
**Q2: How do I confirm this fits my watch?**
A: Confirm your watch is **Omega Speedmaster ref. 311.30.42, 310.30.42 or 3577.50.00**. The 34.1 mm diameter is precision-matched to these references.
**Q3: Why plexi glass instead of sapphire?**
A: The original Speedmaster Professional uses **authentic plexi glass** to maintain vintage accuracy and historical authenticity.
## 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
[](https://www.soflypart.com/product/generic-cartier-tank-wsta0042-4322-sapphire-crystal-18-9mm/)
### [Generic Cartier Tank WSTA0042/4322 Sapphire Crystal 18.9mm](https://www.soflypart.com/product/generic-cartier-tank-wsta0042-4322-sapphire-crystal-18-9mm/)
[](https://www.soflypart.com/product/generic-rolex-caliber-1220-1225-mainspring/)
### [Generic Rolex Caliber 1220/1225 Mainspring](https://www.soflypart.com/product/generic-rolex-caliber-1220-1225-mainspring/)
[](https://www.soflypart.com/product/generic-rolex-4030-mainspring/)
### [Generic Rolex 4030 Mainspring](https://www.soflypart.com/product/generic-rolex-4030-mainspring/)
[](https://www.soflypart.com/product/generic-rolex-2030-2035-mainspring/)
### [Generic Rolex 2030/2035 Mainspring](https://www.soflypart.com/product/generic-rolex-2030-2035-mainspring/)
[](https://www.soflypart.com/product/cartier-caliber-191-mainspring/)
### [Cartier Caliber 191 Mainspring](https://www.soflypart.com/product/cartier-caliber-191-mainspring/)
[](https://www.soflypart.com/product/eta-e03-001-4000-circuit-block-electronic-module/)
### [ETA E03.001-4000 Circuit Block Electronic Module](https://www.soflypart.com/product/eta-e03-001-4000-circuit-block-electronic-module/)
[](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/)
[](https://www.soflypart.com/product/generic-breguet-classique-5920-5907-sapphire-crystal-30-5mm/)
### [Generic Breguet Classique 5920/5907 Sapphire Crystal 30.5mm](https://www.soflypart.com/product/generic-breguet-classique-5920-5907-sapphire-crystal-30-5mm/)
[](https://www.soflypart.com/product/hattori-vd55-vd57-circuit-block-electronic-module/)
### [Hattori VD55/VD57 Circuit Block Electronic Module](https://www.soflypart.com/product/hattori-vd55-vd57-circuit-block-electronic-module/)
[](https://www.soflypart.com/product/eta-caliber-2000-1471-stop-pinion/)
### [ETA Caliber 2000-1471 Stop Pinion](https://www.soflypart.com/product/eta-caliber-2000-1471-stop-pinion/)
- [](https://www.soflypart.com/product/epson-vx3je-movement-fifth-wheel/)Quick View [Add to Cart](https://www.soflypart.com/product/epson-vx3je-movement-fifth-wheel/)Watch Movement Parts [Hattori VX3JE Movement Fifth Wheel
](https://www.soflypart.com/product/epson-vx3je-movement-fifth-wheel/) $1.00
You Saved
- [](https://www.soflypart.com/product/generic-girard-perregaux-vintage-1945-25890-sapphire-crystal-18-6mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-girard-perregaux-vintage-1945-25890-sapphire-crystal-18-6mm/)Watch Parts [Generic Girard Perregaux Vintage 1945 25890 Sapphire Crystal 18.6mm
](https://www.soflypart.com/product/generic-girard-perregaux-vintage-1945-25890-sapphire-crystal-18-6mm/) $70.00
You Saved
- [](https://www.soflypart.com/product/generic-iwc-aquatimer-chronograph-iw3767-sapphire-crystal-32mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-iwc-aquatimer-chronograph-iw3767-sapphire-crystal-32mm/)Watch Parts [Generic IWC Aquatimer Chronograph IW3767 Sapphire Crystal 32mm
](https://www.soflypart.com/product/generic-iwc-aquatimer-chronograph-iw3767-sapphire-crystal-32mm/) $70.00
You Saved
- [](https://www.soflypart.com/product/tmi-seiko-nh36-movement-day-date-corrector-setting-transmission-wheel/)Quick View [Add to Cart](https://www.soflypart.com/product/tmi-seiko-nh36-movement-day-date-corrector-setting-transmission-wheel/)Watch Movement Parts [SEIKO (SII) NH35/NH36/NH37 Day-Date Corrector Setting Transmission Wheel A
](https://www.soflypart.com/product/tmi-seiko-nh36-movement-day-date-corrector-setting-transmission-wheel/) $4.00
You Saved
- [](https://www.soflypart.com/product/generic-omega-seamaster-screw-crown-4-55mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-omega-seamaster-screw-crown-4-55mm/)Watch Parts [Generic Omega Seamaster Screw Crown 4.55mm 069ST42122
](https://www.soflypart.com/product/generic-omega-seamaster-screw-crown-4-55mm/) $25.00
You Saved
- [](https://www.soflypart.com/product/generic-cartier-tank-sapphire-crystal-16-0mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-cartier-tank-sapphire-crystal-16-0mm/)Watch Parts [Generic Cartier Tank Mineral Crystal 16.0mm
](https://www.soflypart.com/product/generic-cartier-tank-sapphire-crystal-16-0mm/) $35.00
You Saved
- [](https://www.soflypart.com/product/tmi-seiko-vj12-movement-date-wheel/)Quick View [Add to Cart](https://www.soflypart.com/product/tmi-seiko-vj12-movement-date-wheel/)Watch Movement Parts [TMI/Hattori SEIKO VJ12 Movement Date Wheel
](https://www.soflypart.com/product/tmi-seiko-vj12-movement-date-wheel/) $1.00
You Saved
- [](https://www.soflypart.com/product/generic-rolex-1570-7906-axle/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-rolex-1570-7906-axle/)Watch Parts [Generic Rolex 1570-7906 Axle
](https://www.soflypart.com/product/generic-rolex-1570-7906-axle/) $11.00
You Saved
- [](https://www.soflypart.com/product/generic-chopard-mille-miglia-16-8992-3-sapphire-crystal-35mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-chopard-mille-miglia-16-8992-3-sapphire-crystal-35mm/)Watch Parts [Generic Chopard Mille Miglia 16/8992/3 Sapphire Crystal 35mm
](https://www.soflypart.com/product/generic-chopard-mille-miglia-16-8992-3-sapphire-crystal-35mm/) $140.00
You Saved
- [](https://www.soflypart.com/product/generic-breitling-navitimer-ab0910-sapphire-crystal-38-1mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-breitling-navitimer-ab0910-sapphire-crystal-38-1mm/)Watch Parts [Generic Breitling Navitimer AB0910 Sapphire Crystal 38.1mm
](https://www.soflypart.com/product/generic-breitling-navitimer-ab0910-sapphire-crystal-38-1mm/) $65.00
You Saved
```json
{"@context":"https://schema.org","@graph":[{"@type":["Store","Organization"],"@id":"https://www.soflypart.com/#organization","name":"Sofly","url":"https://www.soflypart.com","logo":{"@type":"ImageObject","@id":"https://www.soflypart.com/#logo","url":"https://www.soflypart.com/wp-content/uploads/2019/12/Sofly-logo.png","contentUrl":"https://www.soflypart.com/wp-content/uploads/2019/12/Sofly-logo.png","caption":"Soflypart","inLanguage":"en-US","width":"180","height":"62"},"openingHours":["Mo,Tu,We,Th,Fr,Sa,Su 09:00-17:00"],"image":{"@id":"https://www.soflypart.com/#logo"}},{"@type":"WebSite","@id":"https://www.soflypart.com/#website","url":"https://www.soflypart.com","name":"Soflypart","publisher":{"@id":"https://www.soflypart.com/#organization"},"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https://www.soflypart.com/wp-content/uploads/2022/01/DSC08534.jpg","url":"https://www.soflypart.com/wp-content/uploads/2022/01/DSC08534.jpg","width":"580","height":"580","caption":"Rolex 5513 Perspex Plexi Glass","inLanguage":"en-US"},{"@type":"BreadcrumbList","@id":"https://www.soflypart.com/product/generic-omega-speedmaster-plexi-glass-34-1mm/#breadcrumb","itemListElement":[{"@type":"ListItem","position":"1","item":{"@id":"https://www.soflypart.com","name":"Home"}},{"@type":"ListItem","position":"2","item":{"@id":"https://www.soflypart.com/product/generic-omega-speedmaster-plexi-glass-34-1mm/","name":"Generic Omega Speedmaster 310.30.42 Plexi Glass 34.1mm"}}]},{"@type":"WebPage","@id":"https://www.soflypart.com/product/generic-omega-speedmaster-plexi-glass-34-1mm/#webpage","url":"https://www.soflypart.com/product/generic-omega-speedmaster-plexi-glass-34-1mm/","name":"Generic Omega Speedmaster 310.30.42 Plexi Glass 34.1mm - Sofly","datePublished":"2022-01-06T16:28:35+08:00","dateModified":"2026-06-29T15:41:41+08:00","isPartOf":{"@id":"https://www.soflypart.com/#website"},"primaryImageOfPage":{"@id":"https://www.soflypart.com/wp-content/uploads/2022/01/DSC08534.jpg"},"inLanguage":"en-US","breadcrumb":{"@id":"https://www.soflypart.com/product/generic-omega-speedmaster-plexi-glass-34-1mm/#breadcrumb"}},{"@type":"ProductGroup","name":"Generic Omega Speedmaster 310.30.42 Plexi Glass 34.1mm - Sofly","description":"Plexi glass for Omega Speedmaster 311.30.42/310.30.42 \u2014 34.1\u00d75.5mm, domed acrylic, vintage aesthetic. Authentic replacement for Speedmaster Professional.","sku":"110303405","category":"Watch Parts","mainEntityOfPage":{"@id":"https://www.soflypart.com/product/generic-omega-speedmaster-plexi-glass-34-1mm/#webpage"},"image":[{"@type":"ImageObject","url":"https://www.soflypart.com/wp-content/uploads/2022/01/DSC08534.jpg","height":"580","width":"580"}],"url":"https://www.soflypart.com/product/generic-omega-speedmaster-plexi-glass-34-1mm/","productGroupID":"110303405","hasVariant":[{"@type":"Product","sku":"110303405","name":"Generic Omega Speedmaster 310.30.42 Plexi Glass 34.1mm - Omega","description":"Product Description Plexi glass crystal engineered for Omega Speedmaster refs. 311.30.42, 310.30.42 & 3577.50.00, precisely cut to\u00a034.1 mm diameter \u00d7 5.5 mm height. Crafted from premium acrylic material, delivering\u00a0authentic vintage appearance\u00a0that perfectly complements the iconic Speedmaster Professional design. Features & Function Premium plexi glass material\u00a0\u2014 authentic acrylic for vintage Speedmaster aesthetic 34.1 \u00d7 5.5 mm precision dimensions\u00a0\u2014 exact fit for multiple Speedmaster references Domed profile\u00a0\u2014 classic elevated design matching original Speedmaster Professional Crystal-clear clarity\u00a0\u2014 excellent optical transparency for dial visibility Easy polishing\u00a0\u2014 plexi glass can be polished to remove minor scratches Specifications Parameter Value Brand Generic Material Plexi Glass (Acrylic) Diameter 34.1 mm Height 5.5 mm Profile Domed Compatibility Omega Speedmaster 311.30.42 / 310.30.42 / 3577.50.00 Applications Direct replacement for damaged or scratched original Speedmaster plexi glass Professional watch repair and restoration Vintage Omega Speedmaster Professional preservation Watchmaker and collector spare parts supply FAQ Q1: Is this a genuine Omega crystal? A: This is an\u00a0aftermarket replacement plexi glass\u00a0designed for Omega Speedmaster references. It is not manufactured by Omega. Q2: How do I confirm this fits my watch? A: Confirm your watch is\u00a0Omega Speedmaster ref. 311.30.42, 310.30.42 or 3577.50.00. The 34.1 mm diameter is precision-matched to these references. Q3: Why plexi glass instead of sapphire? A: The original Speedmaster Professional uses\u00a0authentic plexi glass\u00a0to maintain vintage accuracy and historical authenticity. 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/2022/01/DSC08534-150x150.jpg","offers":{"@type":"Offer","description":"Product Description Plexi glass crystal engineered for Omega Speedmaster refs. 311.30.42, 310.30.42 & 3577.50.00, precisely cut to\u00a034.1 mm diameter \u00d7 5.5 mm height. Crafted from premium acrylic material, delivering\u00a0authentic vintage appearance\u00a0that perfectly complements the iconic Speedmaster Professional design. Features & Function Premium plexi glass material\u00a0\u2014 authentic acrylic for vintage Speedmaster aesthetic 34.1 \u00d7 5.5 mm precision dimensions\u00a0\u2014 exact fit for multiple Speedmaster references Domed profile\u00a0\u2014 classic elevated design matching original Speedmaster Professional Crystal-clear clarity\u00a0\u2014 excellent optical transparency for dial visibility Easy polishing\u00a0\u2014 plexi glass can be polished to remove minor scratches Specifications Parameter Value Brand Generic Material Plexi Glass (Acrylic) Diameter 34.1 mm Height 5.5 mm Profile Domed Compatibility Omega Speedmaster 311.30.42 / 310.30.42 / 3577.50.00 Applications Direct replacement for damaged or scratched original Speedmaster plexi glass Professional watch repair and restoration Vintage Omega Speedmaster Professional preservation Watchmaker and collector spare parts supply FAQ Q1: Is this a genuine Omega crystal? A: This is an\u00a0aftermarket replacement plexi glass\u00a0designed for Omega Speedmaster references. It is not manufactured by Omega. Q2: How do I confirm this fits my watch? A: Confirm your watch is\u00a0Omega Speedmaster ref. 311.30.42, 310.30.42 or 3577.50.00. The 34.1 mm diameter is precision-matched to these references. Q3: Why plexi glass instead of sapphire? A: The original Speedmaster Professional uses\u00a0authentic plexi glass\u00a0to maintain vintage accuracy and historical authenticity. 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":"15","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/generic-omega-speedmaster-plexi-glass-34-1mm/?attribute_pa_brand=brand-omega"}}],"@id":"https://www.soflypart.com/product/generic-omega-speedmaster-plexi-glass-34-1mm/#richSnippet"}]}
```