---
description: Generic sapphire crystal for Roger Dubuis Excalibur RDDBEX0422. 37.5mm domed blue AR. Aftermarket replacement.
title: Generic Roger Dubuis Excalibur RDDBEX0422 Sapphire Crystal 37.5mm - Sofly
image: https://www.soflypart.com/wp-content/uploads/2024/03/DSC09748.jpg
---
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- **Generic Roger Dubuis Excalibur RDDBEX0422 Sapphire Crystal 37.5mm**
[](https://www.soflypart.com/wp-content/uploads/2024/03/DSC09748.jpg)
# Generic Roger Dubuis Excalibur RDDBEX0422 Sapphire Crystal 37.5mm
$55.00
You Saved
| Brand | Choose an option Roger Dubuis- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $55.00 |
| 3 - 4 | 5% | $52.25 |
| 5 - 9 | 7% | $51.15 |
| 10 - 14 | 10% | $49.50 |
| 15+ | 15% | $46.75 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $55.00 |
| 3 - 4 | 5% | $52.25 |
| 5 - 9 | 7% | $51.15 |
| 10 - 14 | 10% | $49.50 |
| 15+ | 15% | $46.75 |
Generic Roger Dubuis Excalibur RDDBEX0422 Sapphire Crystal 37.5mm quantity
Add to cart
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## Product Description
Generic sapphire crystal for Roger Dubuis Excalibur RDDBEX0422. Diameter 37.5mm, total thickness 1.7mm, step thickness 1.0mm. 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
- Synthetic sapphire – excellent scratch resistance (Mohs 9)
- Precise dimensions: 37.5mm dia, 1.7/1.0mm thick
- High optical clarity
- Affordable alternative to OEM
## Specifications
| Parameter | Value |
| --- | --- |
| Compatible model | Roger Dubuis Excalibur RDDBEX0422 |
| Diameter | 37.5 mm |
| Total thickness | 1.7 mm |
| Step thickness | 1.0 mm |
| Shape | Domed round |
| Coating | Blue anti‑reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
## Applications
- Replace scratched, cracked, or damaged original crystal on Roger Dubuis Excalibur RDDBEX0422.
- Professional watch repair and restoration.
## Frequently Asked Questions
**Q1: Genuine Roger Dubuis part?**
No, generic aftermarket.
**Q2: Which model fits?**
Roger Dubuis Excalibur RDDBEX0422 (37.5mm 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**.
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