Generic Cartier Ballon Blue 3109 Case Back Sapphire Crystal 27mm

Product Description

This generic domed round sapphire crystal is designed for the Cartier Ballon Blue 3109 case back, measuring 27.0mm in diameter with a height of 2.8mm and edge thickness of 1.7mm. Its domed design offers excellent optical clarity and scratch resistance for reliable case back glass replacement.

Features & Function

• Domed round shape ensures precise fit for case back opening

• 1.7mm edge thickness offers enhanced strength and durability

• High hardness (9 Mohs) resists daily scratches and wear

• Generic design – always verify dimensions with original glass

Specifications

• Diameter: 27.0 mm

• Height: 2.8 mm

• Edge Thickness: 1.7 mm

• Shape: Domed Round

• Material: Synthetic sapphire

• Compatible Model: Cartier Ballon Blue 3109 (case back)

Applications

• Replacement case back crystal for Cartier Ballon Blue 3109

• Ideal for restoring movement visibility in exhibition case backs

FAQs

1.Is this an original Cartier part?
No, it is a generic compatible crystal, not OEM.

2.Will it fit my Ballon Blue 3109 case back perfectly?
Only if your case back uses exactly 27.0mm domed round glass; measure before purchase.

3.Is 1.7mm edge thickness durable enough for case back?
Yes, 1.7mm provides good strength for case back protection.

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