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This generic flat sapphire crystal is designed for Patek Philippe Ellipse 3738 and 3747, measuring 30.8mm × 26.3mm with a thickness of 1.2mm. Its flat elliptical/oval design offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
Flat elliptical/oval shape provides classic Ellipse aesthetics
1.2mm thickness offers balanced strength and slim profile
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Length: 30.8 mm
Width: 26.3 mm
Thickness: 1.2 mm
Shape: Flat Ellipse/Oval
Material: Synthetic sapphire
Compatible Models: Patek Philippe Ellipse 3738, 3747
Replacement crystal for Patek Philippe Ellipse 3738 / 3747
Suitable for luxury elliptical 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 3738 or 3747 perfectly?
Only if your watch uses exactly 30.8×26.3×1.2mm elliptical glass; measure before purchase.
3.Is elliptical sapphire more fragile than round?
Elliptical shapes are generally durable, but handle with care during installation.
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.









