$40.00
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Generic sapphire crystal for Cartier Ballon Bleu WE902056. Diameter 32.4mm, fits 40mm case. Also compatible with Cartier 4345. 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)
Precise 32.4mm diameter – fits WE902056 and 4345
High optical clarity – maintains dial visibility
Affordable alternative to OEM crystal
| Parameter | Value |
|---|---|
| Compatible models | Cartier Ballon Bleu WE902056, 4345 |
| Crystal diameter | 32.4 mm |
| Case size | 40 mm |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Ballon Bleu 40mm models (WE902056, 4345).
Professional watch repair and restoration.
Q1: Genuine Cartier part?
No, generic aftermarket.
Q2: Does it fit 4345?
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.
