$40.00
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Generic sapphire crystal for Cartier Ballon Bleu WSBB0039. Diameter 31.8mm, total thickness 3.7mm, step thickness 0.82mm. Fits 40mm case. 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)
Precise dimensions: 31.8 × 3.7 × 0.82 mm
High optical clarity – maintains dial visibility
Affordable alternative to OEM crystal
| Parameter | Value |
|---|---|
| Compatible model | Cartier Ballon Bleu WSBB0039 |
| Crystal diameter | 31.8 mm |
| Total thickness | 3.7 mm |
| Step thickness | 0.82 mm |
| Case size | 40 mm |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Cartier Ballon Bleu WSBB0039 (40mm case).
Professional watch repair and restoration.
Q1: Genuine Cartier part?
No, generic aftermarket.
Q2: Does it fit other Ballon Bleu 40mm models?
Designed for WSBB0039. Check your original crystal dimensions before ordering.
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.
