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This generic domed round sapphire crystal is designed for the Breguet Type XX 3810ST, measuring 34.5mm in diameter with a dome height of 4.1mm and edge thickness of 2.3mm. Its domed design offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
Domed round shape provides classic pilot watch aesthetics and impact resistance
2.3mm edge thickness offers enhanced strength for aviator watch use
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Diameter: 34.5 mm
Dome Height: 4.1 mm
Edge Thickness: 2.3 mm
Shape: Domed Round
Material: Synthetic sapphire
Compatible Model: Breguet Type XX 3810ST
Replacement crystal for Breguet Type XX 3810ST
Suitable for luxury pilot watch restoration and repair
1.Is this an original Breguet part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Type XX 3810ST perfectly?
Only if your watch uses exactly 34.5mm domed round glass; measure before purchase.
3.Is 2.3mm edge thickness durable enough?
Yes, 2.3mm provides good strength for pilot watch 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.
Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.









