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Generic flat round sapphire crystal for IWC Big Ingenieur IW500503, also fits IW3765. Diameter 35.5mm, thickness 1.8mm, blue reflective coating. Aftermarket replacement for damaged original crystals.
Flat round with blue AR coating – reduces glare.
Synthetic sapphire – scratch resistant (Mohs 9).
High optical clarity – maintains dial readability.
Drop‑in replacement – no case modification.
| Parameter | Value |
|---|---|
| Compatible models | IW500503, IW3765 |
| Diameter | 35.5 mm |
| Thickness | 1.8 mm |
| Coating | Blue reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched/cracked original crystal on IWC Big Ingenieur models.
Professional watch repair and restoration.
Q1: Genuine IWC part? No, generic aftermarket.
Q2: Does it include a gasket? No, use original or purchase separately.
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.
