Generic Patek Philippe Ellipse 3978 Sapphire Crystal 29.4mm

Product Description

Flat Ellipse sapphire crystal engineered for Patek Philippe Ellipse ref. 3978, precisely cut to 29.4 × 24.4 × 1.1 mm. Made from premium synthetic sapphire with double-sided anti-reflective coating, offering exceptional scratch resistance and pristine dial clarity.

Features & Function

• Premium synthetic sapphire — Mohs hardness 9, ultra-durable and scratch-resistant
• Double-sided anti-reflective coating — eliminates glare for optimal dial legibility
• Precision-cut Flat Ellipse profile — exact fit for Patek Philippe Ellipse 3978 case
• 1.1 mm optimal thickness — robust structure with proper sealing performance
• High optical clarity — preserves the timeless elegance of the Ellipse collection

Specifications

Applications

• Direct replacement for damaged or worn original Patek Philippe Ellipse 3978 crystal
• Professional watch repair and restoration
• Watchmaker and collector spare parts supply
• Vintage Ellipse timepiece preservation

FAQ

Q1: Is this crystal made by Patek Philippe?
A: This is an aftermarket replacement crystal designed for the Ellipse 3978. It is not manufactured by Patek Philippe S.A.

Q2: How do I verify this fits my watch?
A: Confirm your watch is Patek Philippe Ellipse ref. 3978. Dimensions 29.4 × 24.4 mm are precision-matched to this reference.

Q3: Should I use a professional for installation?
A: Yes — certified watchmaker installation is recommended to ensure correct fit, sealing, and waterproofing integrity.

Why Choose SOFLY Watch Parts?

• 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.