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Generic sapphire crystal for Cartier Ballon Bleu WJBL0006. Diameter 19.5mm, fits 26mm case. Also compatible with Cartier 4162 and 4351. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals.
Domed shape with blue AR coating – signature Ballon Bleu design
Synthetic sapphire – excellent scratch resistance (Mohs 9)
19.5mm diameter – fits 26mm case models
High optical clarity – maintains dial visibility
Affordable alternative to OEM crystal
| Parameter | Value |
|---|---|
| Compatible models | Cartier Ballon Bleu WJBL0006, 4162, 4351 |
| Case size | 26 mm |
| Crystal diameter | 19.5 mm |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Cartier Ballon Bleu 26mm models (WJBL0006, 4162, 4351).
Professional watch repair and restoration.
Q1: Genuine Cartier part?
No, generic aftermarket.
Q2: Does it fit 4162 and 4351?
Yes, same crystal dimensions.
Q3: Self‑install?
Professional recommended for water resistance.
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 [email protected] or WhatsApp +86 18620212114.









