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This generic flat sapphire crystal is designed for the Patek Philippe Ellipse 4223, measuring 21.7mm × 20.0mm with a thickness of 0.9mm. Its flat rectangular/oval design offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
Flat rectangular/oval shape minimizes optical distortion for clear dial viewing
0.9mm ultra-thin profile for precise case fitting
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Length: 21.7 mm
Width: 20.0 mm
Thickness: 0.9 mm
Shape: Flat Rectangular/Oval
Material: Synthetic sapphire
Compatible Model: Patek Philippe Ellipse 4223
Replacement crystal for Patek Philippe Ellipse 4223
Suitable for luxury oval/rectangular watch restoration
1.Is this an original Patek Philippe part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Ellipse 4223 perfectly?
Only if your watch uses exactly 21.7×20.0×0.9mm rectangular/oval glass; measure before purchase.
3.Is 0.9mm thickness durable enough?
Yes, sapphire is very hard; 0.9mm provides adequate strength for normal daily wear.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
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