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Generic sapphire crystal for Cartier Ballon Bleu W6920085. Diameter 25.4mm, total thickness 2.45mm, step thickness 0.8mm. Fits 33mm case, also compatible with Cartier W4BB0009. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals.
Domed shape with blue AR coating – signature Ballon Bleu look, reduces glare
Synthetic sapphire – excellent scratch resistance (Mohs 9)
Precise dimensions: 25.4 × 2.45 × 0.8 mm
Fits W6920085 and W4BB0009 33mm cases
Affordable alternative to OEM crystal
| Parameter | Value |
|---|---|
| Compatible models | Cartier Ballon Bleu W6920085, W4BB0009 |
| Case size | 33 mm |
| Crystal diameter | 25.4 mm |
| Total thickness | 2.45 mm |
| Step thickness | 0.8 mm |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Cartier Ballon Bleu 33mm models (W6920085, W4BB0009).
Professional watch repair and restoration.
Q1: Genuine Cartier part?
No, generic aftermarket.
Q2: Does it fit both W6920085 and W4BB0009?
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.
