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Flat round sapphire crystal engineered for Patek Philippe watches, precisely cut to 27.2 mm diameter × 0.6 mm ultra-thin thickness. Crafted from premium synthetic sapphire, delivering exceptional scratch resistance and crystal-clear clarity in an ultra-sleek, lightweight profile.
| Parameter | Value |
|---|---|
| Shape | Flat Round |
| Diameter | 27.2 mm |
| Thickness | 0.6 mm |
| Material | Synthetic Sapphire Crystal |
| Hardness | Mohs 9 |
| Coating | Anti-Reflective (AR) |
| Compatibility | Patek Philippe (27.2mm Flat Round) |
Q1: Is this a genuine Patek Philippe crystal?
A: This is an aftermarket replacement sapphire crystal designed for compatible Patek Philippe references. It is not manufactured by Patek Philippe S.A.
Q2: How do I confirm this fits my watch?
A: Please verify your watch requires a 27.2 mm flat round sapphire crystal. Check your reference number for compatibility.
Q3: Is professional installation recommended?
A: Yes — certified watchmaker installation is recommended to ensure correct fit, sealing, and waterproofing.
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.









