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Generic sapphire crystal for Cartier Ballon Bleu W69010Z4. Diameter 21mm, fits 28mm case. Also compatible with Cartier W6920034 and 3009. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals.
Domed shape with blue AR coating – signature Ballon Bleu design, reduces glare
Synthetic sapphire – excellent scratch resistance (Mohs 9)
21mm diameter – fits 28mm case models
High optical clarity – maintains dial visibility
Affordable alternative to OEM crystal
| Parameter | Value |
|---|---|
| Compatible models | Cartier Ballon Bleu W69010Z4, W6920034, 3009 |
| Case size | 28 mm |
| Crystal diameter | 21 mm |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Cartier Ballon Bleu 28mm models (W69010Z4, W6920034, 3009).
Professional watch repair and restoration.
Q1: Genuine Cartier part?
No, generic aftermarket.
Q2: Does it fit W6920034 and 3009?
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.
