---
description: Generic Roger Dubuis sapphire crystal 27.3×21.5mm, domed blue AR. Aftermarket replacement, scratch resistant.
title: Generic Roger Dubuis Sapphire Crystal 27.3mm - Sofly
image: https://www.soflypart.com/wp-content/uploads/2024/03/DSC09759.jpg
---
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- **Generic Roger Dubuis Sapphire Crystal 27.3mm**
[](https://www.soflypart.com/wp-content/uploads/2024/03/DSC09759.jpg)
# Generic Roger Dubuis Sapphire Crystal 27.3mm
$75.00
You Saved
| Brand | Choose an option Roger Dubuis- 
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 Sapphire Crystal 27.3mm quantity
Add to cart
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## Product Description
Generic sapphire crystal for selected Roger Dubuis tonneau‑shaped watches. Dimensions: 27.3mm × 21.5mm. Domed profile with blue anti‑reflective (AR) coating. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged or deeply scratched original crystals.
## Features & Function
- Domed shape with blue AR coating – reduces glare, improves readability
- Synthetic sapphire – Mohs hardness 9, excellent scratch resistance
- Dimensions: 27.3 × 21.5 mm – fits specific RD tonneau cases
- High optical clarity – maintains dial visibility
- Helps preserve water resistance when properly installed
## Specifications
| Parameter | Value |
| --- | --- |
| Dimensions | 27.3 × 21.5 mm |
| Shape | Domed round |
| Coating | Blue anti‑reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket / Generic |
## Applications
- Replacing scratched, cracked, or damaged original crystals on compatible Roger Dubuis tonneau models.
- Professional watch repair and restoration.
- Maintaining watch aesthetics and basic water resistance.
## Frequently Asked Questions
**Q1: Genuine Roger Dubuis part?**
No, generic aftermarket.
**Q2: Which models fit?**
Fits selected RD tonneau watches with 27.3×21.5mm crystal opening. Measure before ordering.
**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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