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Generic domed round sapphire crystal for Girard Perregaux Sea Hawk. Diameter 31.9mm, total thickness 4.5mm, step thickness 3.2mm. Blue anti‑reflective coating. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals.
Domed round with blue AR coating – reduces glare, sporty look.
Synthetic sapphire – excellent scratch resistance (Mohs 9).
Precise dimensions: 31.9 × 4.5 × 3.2 mm.
High optical clarity – maintains dial visibility.
Affordable alternative to OEM crystal.
| Parameter | Value |
|---|---|
| Compatible model | Girard Perregaux Sea Hawk |
| Diameter | 31.9 mm |
| Total thickness | 4.5 mm |
| Step thickness | 3.2 mm |
| Shape | Domed round |
| Coating | Blue anti‑reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Girard Perregaux Sea Hawk models.
Professional watch repair and restoration.
Q1: Genuine GP part?
No, generic aftermarket.
Q2: Which Sea Hawk models fit?
Designed for models using 31.9mm crystal. Check your original size 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.
