---
description: Generic Cartier Ballon Bleu W6920078 sapphire crystal 34.4mm, fits 44mm case, also W6920076/3106. Aftermarket.
title: Generic Cartier Ballon Bleu W6920078 Sapphire Crystal 34.4mm - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/09/DSC09208.jpg
---
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- **Generic Cartier Ballon Bleu W6920078 Sapphire Crystal 34.4mm**
[](https://www.soflypart.com/wp-content/uploads/2019/09/DSC09208.jpg)
# Generic Cartier Ballon Bleu W6920078 Sapphire Crystal 34.4mm
$45.00
You Saved
| Brand | Choose an option Cartier- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $45.00 |
| 3 - 4 | 5 % | $42.75 |
| 5 - 9 | 7 % | $41.85 |
| 10 - 14 | 10 % | $40.50 |
| 15+ | 15 % | $38.25 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $45.00 |
| 3 - 4 | 5 % | $42.75 |
| 5 - 9 | 7 % | $41.85 |
| 10 - 14 | 10 % | $40.50 |
| 15+ | 15 % | $38.25 |
Generic Cartier Ballon Bleu W6920078 Sapphire Crystal 34.4mm quantity
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## Product Description
Generic sapphire crystal for Cartier Ballon Bleu W6920078. Diameter 34.4mm, thickness 0.9mm, fits 44mm case. Also compatible with W6920076 and 3106. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals.
## Features & Function
- Domed shape with blue AR coating – signature Ballon Bleu look
- Synthetic sapphire – excellent scratch resistance (Mohs 9)
- Precise dimensions: 34.4mm dia, 0.9mm thick
- Fits W6920078, W6920076, 3106
- Affordable alternative to OEM crystal
## Specifications
| Parameter | Value |
| --- | --- |
| Compatible models | Cartier Ballon Bleu W6920078, W6920076, 3106 |
| Crystal diameter | 34.4 mm |
| Thickness | 0.9 mm |
| Case size | 44 mm |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
## Applications
- Replace scratched, cracked, or damaged original crystals on Ballon Bleu 44mm models (W6920078, W6920076, 3106).
- Professional watch repair and restoration.
## Frequently Asked Questions
**Q1: Genuine Cartier part?**
No, generic aftermarket.
**Q2: Does it fit W6920076 and 3106?**
Yes, same crystal dimensions.
**Q3: Self‑install?**
Professional recommended for water resistance.
## 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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