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Generic flat round sapphire crystal for Omega Seamaster PloProf 224.30.55.21. Dimensions 30.0 × 28.8 × 4.9 mm. Blue anti‑reflective coating. Synthetic sapphire (Mohs 9), scratch resistant. Aftermarket replacement for damaged original crystals.
Flat round shape with blue AR coating – reduces glare, maintains professional diver clarity.
Synthetic sapphire – excellent scratch resistance (Mohs 9).
Precise dimensions – drop‑in replacement for PloProf 224.30.55.21.
High optical clarity – maintains dial readability underwater.
Affordable alternative to OEM crystal.
| Parameter | Value |
|---|---|
| Compatible model | Omega Seamaster PloProf 224.30.55.21 |
| Dimensions | 30.0 × 28.8 × 4.9 mm |
| Shape | Flat round |
| Coating | Blue anti‑reflective |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
Replace scratched, cracked, or damaged original crystals on Omega Seamaster PloProf 224.30.55.21.
Maintain water resistance for professional diving watches.
Professional watch repair and restoration.
Q1: Genuine Omega part?
No, generic aftermarket.
Q2: Is the coating blue?
Yes, blue reflective AR.
Q3: Does it fit other PloProf models?
Designed for 224.30.55.21. Check your original crystal size before ordering.
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.
