$40.00
You Saved
Generic sapphire crystal for Cartier Ballon Bleu WE902019. Dimensions: 31.2mm diameter, 4.0mm total thickness, 2.25mm step thickness. Fits 38mm case, also compatible with Cartier 3220. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals.
Domed shape with anti‑reflective coating – reduces glare, classic Ballon Bleu look
Synthetic sapphire – excellent scratch resistance (Mohs 9)
Precise dimensions: 31.2 × 4.0 × 2.25 mm
Fits WE902019 and 3220 38mm cases
High optical clarity – maintains dial visibility
| Parameter | Value |
|---|---|
| Compatible models | Cartier Ballon Bleu WE902019, 3220 |
| Case size | 38 mm |
| Crystal diameter | 31.2 mm |
| Total thickness | 4.0 mm |
| Step thickness | 2.25 mm |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Cartier Ballon Bleu 38mm models (WE902019, 3220).
Professional watch repair and restoration.
Q1: Genuine Cartier part?
No, generic aftermarket.
Q2: Does it fit both WE902019 and 3220?
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.
