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This meticulously crafted sapphire crystal is designed for the Patek Philippe Annual Calendar 4936/4937, measuring 29.1mm in diameter. Made from premium synthetic sapphire, it provides outstanding scratch resistance while preserving the intricate beauty of the Annual Calendar dial, ensuring your timepiece remains as captivating as the day it was created.
Premium synthetic sapphire for outstanding scratch resistance
Preserves the intricate beauty of the Annual Calendar dial
Exceptional optical clarity for pristine readability
Meticulously crafted for a precise fit
Diameter: 29.1 mm
Material: Premium synthetic sapphire
Compatible Models: Patek Philippe Annual Calendar 4936, 4937
Replacement crystal for Patek Philippe 4936 / 4937
Suitable for luxury annual calendar watch restoration
1.Is this an original Patek Philippe part?
No, it is a premium generic replacement crystal, not OEM.
2.Will it fit my 4936 or 4937 perfectly?
Only if your watch uses exactly 29.1mm crystal; measure before purchase.
3.Is the quality comparable to original?
It offers similar hardness and clarity but is not manufactured by Patek Philippe.
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.









