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Generic domed round sapphire crystal for Omega Constellation 123.20.27, also fits 123.30.27 / 123.10.27. Diameter 21.0mm, total thickness 2.55mm, step thickness 1.9mm, blue reflective coating. Aftermarket replacement for damaged original crystals.
Domed round with blue reflective 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 crystal.
| Parameter | Value |
|---|---|
| Compatible models | 123.20.27, 123.30.27, 123.10.27 |
| Diameter | 21.0 mm |
| Total thickness | 2.55 mm |
| Step thickness | 1.9 mm |
| Coating | Blue reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Omega Constellation 123.20.27 / 123.30.27 / 123.10.27.
Professional watch repair and restoration.
Q1: Genuine Omega part?
No, aftermarket.
Q2: Does it fit all three models?
Yes, same crystal dimensions.
Q3: Does it include a gasket?
No, use original or purchase separately.
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.
