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This generic flat round sapphire crystal is designed for the Hublot Big Bang Unico 411.OM.1180.RX, measuring 31.5mm in diameter with a thickness of 2.5mm. Its flat design offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
Flat round shape minimizes optical distortion for clear dial viewing
2.5mm thickness provides balanced strength and slim profile
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Diameter: 31.5 mm
Thickness: 2.5 mm
Shape: Flat Round
Material: Synthetic sapphire
Compatible Model: Hublot Big Bang Unico 411.OM.1180.RX
Replacement crystal for Hublot Big Bang Unico 411.OM.1180.RX
Suitable for luxury sports watch restoration and repair
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.OM.1180.RX perfectly?
Only if your watch uses exactly 31.5mm flat round glass; measure before purchase.
3.Is 2.5mm thickness durable enough?
Yes, 2.5mm provides good strength for normal daily wear and protection.
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.
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