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Generic domed egg‑shaped sapphire crystal for Girard Perregaux watches. Dimensions: 37.9mm × 28.9mm, total thickness 2.89mm, step thickness 0.8mm. Blue anti‑reflective coating. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals.
Domed egg shape with blue AR coating – reduces glare, distinctive GP style
Synthetic sapphire – excellent scratch resistance (Mohs 9)
Precise dimensions: 37.9 × 28.9 × 2.89 × 0.8 mm
High optical clarity – maintains dial visibility
Affordable alternative to OEM crystal
| Parameter | Value |
|---|---|
| Shape | Domed egg (oval) |
| Dimensions | 37.9 × 28.9 mm |
| Total thickness | 2.89 mm |
| Step thickness | 0.8 mm |
| Coating | Blue anti‑reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on compatible GP egg‑shaped models.
Professional watch repair and restoration.
Q1: Genuine Girard Perregaux part?
No, generic aftermarket.
Q2: Which models fit?
GP watches with egg‑shaped crystal 37.9×28.9mm. Measure your original before ordering.
Q3: Is the coating blue?
Yes, blue reflective.
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.
