
$45.00
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This high-precision sapphire crystal is designed for Patek Philippe 4457-style vintage watch cases, measuring 27.5mm × 27.5mm with a thickness of 1.2mm. Made from synthetic sapphire, it offers excellent scratch resistance, clear dial visibility, and a clean flat profile for professional watch repair and restoration.
Flat square profile matches vintage Patek Philippe 4457 design
High hardness (9 Mohs) resists daily scratches and wear
Excellent optical clarity for clear dial viewing
Precision fit for professional repair and restoration
Length: 27.5 mm
Width: 27.5 mm
Thickness: 1.2 mm
Shape: Flat Square
Material: Synthetic sapphire
Compatible: Patek Philippe 4457-style vintage cases
Replacement crystal for Patek Philippe 4457 vintage watches
Suitable for luxury vintage square watch restoration
1.Is this an original Patek Philippe part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Patek Philippe 4457 perfectly?
Only if your watch uses exactly 27.5×27.5×1.2mm square glass; measure before purchase.
3.Is this crystal flat or domed?
It features a flat profile matching the original vintage design.
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.









