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Generic domed round sapphire crystal for Omega Speedmaster Date 323.21.40. Diameter 30.5mm, total thickness 2.9mm, step thickness 1.4mm, blue AR coating. Aftermarket replacement for damaged original crystals.
Domed round with blue AR coating – reduces glare.
Synthetic sapphire – scratch resistant (Mohs 9).
High optical clarity – maintains dial readability.
Drop‑in replacement – no modification needed.
Affordable alternative to OEM.
| Parameter | Value |
|---|---|
| Compatible model | Omega 323.21.40 |
| Diameter | 30.5 mm |
| Total thickness | 2.9 mm |
| Step thickness | 1.4 mm |
| Coating | Blue anti‑reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Omega Speedmaster Date 323.21.40.
Professional watch repair and restoration.
Q1: Genuine Omega part? No, aftermarket.
Q2: Quality reliable? Yes, from reputable suppliers.
Q3: Self‑install? Professional recommended.
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.
