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Generic domed round sapphire crystal for IWC Portofino Chronograph IW391008. Diameter 36.2mm, total thickness 2.6mm, step thickness 1.3mm, blue reflective coating, includes matching gasket. Aftermarket replacement for damaged original crystals.
Domed round with blue AR coating – reduces glare.
Includes gasket – ensures proper sealing.
Synthetic sapphire – scratch resistant (Mohs 9).
Drop‑in replacement – no case modification.
| Parameter | Value |
|---|---|
| Compatible model | IWC Portofino Chronograph IW391008 |
| Diameter | 36.2 mm |
| Total thickness | 2.6 mm |
| Step thickness | 1.3 mm |
| Gasket | Included |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched/cracked original crystal.
Professional watch repair and restoration.
Q1: Genuine IWC part? No, generic aftermarket.
Q2: Gasket included? Yes.
Q3: Quality reliable? Yes, from reputable suppliers.
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.









