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Gold sapphire crystal with flat oval profile for Patek Philippe ref. 4910, precisely cut to 20.5 × 15.5 mm. Crafted from premium synthetic sapphire, delivering exceptional scratch resistance and luxurious gold-toned aesthetics that perfectly complement the ladies’ Complications collection.
| Parameter | Value |
|---|---|
| Shape | Flat Oval |
| Dimensions | 20.5 × 15.5 mm |
| Material | Synthetic Sapphire Crystal |
| Hardness | Mohs 9 |
| Finish | Gold Sapphire |
| Compatibility | Patek Philippe ref. 4910 |
Q1: Is this a genuine Patek Philippe crystal?
A: This is an aftermarket replacement sapphire crystal designed for the ref. 4910. It is not manufactured by Patek Philippe S.A.
Q2: How do I confirm this fits my watch?
A: Confirm your watch is Patek Philippe ref. 4910. The 20.5 × 15.5 mm dimensions are precision-matched to this reference.
Q3: Is professional installation recommended?
A: Yes — certified watchmaker installation is recommended to ensure correct fit, alignment, and waterproofing integrity.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
3,000+ watch movements and parts in stock.
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Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.









