Generic Hublot Big Bang Unico 411.NM.1170.RX Case Back Sapphire Crystal 31mm

Product Description

This generic case back sapphire crystal is designed for the Hublot Big Bang Unico 411.NM.1170.RX, measuring 31.0mm in diameter with a thickness of 1.7mm. Featuring a flat round shape with blue anti-reflective coating, it is ideal for replacing damaged or scratched original case back crystals.

Features & Function

• Flat round shape ensures precise fit for case back opening

• Blue AR coating reduces glare and enhances movement visibility

• 1.7mm thickness provides balanced strength and slim profile

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

Specifications

• Diameter: 31.0 mm

• Thickness: 1.7 mm

• Coating: Blue anti-reflective (AR)

• Shape: Flat Round

• Material: Synthetic sapphire

• Compatible Model: Hublot Big Bang Unico 411.NM.1170.RX (case back)

Applications

• Replacement case back crystal for Hublot Big Bang Unico 411.NM.1170.RX

• Ideal for restoring movement visibility in exhibition case backs

FAQs

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

2.Will it fit my Big Bang Unico 411.NM.1170.RX case back perfectly?
Only if your case back uses exactly 31.0mm round glass; measure before purchase.

3.Is the blue AR coating scratch-resistant?
The coating is durable but may scratch over time; the sapphire underneath remains hard.

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