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This generic domed sapphire crystal is compatible with select Cartier models, measuring 20.8mm × 17.8mm with a thickness of 0.8mm. Its domed rectangular design offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
Domed rectangular shape provides classic aesthetics and impact resistance
0.8mm ultra-thin profile for precise case fitting
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Length: 20.8 mm
Width: 17.8 mm
Thickness: 0.8 mm
Shape: Domed Rectangular
Material: Synthetic sapphire
Compatible: Select Cartier models
Replacement crystal for select Cartier rectangular watches
Suitable for luxury watch restoration and repair
1.Is this an original Cartier part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Cartier watch perfectly?
Only if your watch uses exactly 20.8×17.8×0.8mm domed rectangular glass; measure before purchase.
3.Is 0.8mm thickness durable enough?
Yes, sapphire is very hard; 0.8mm provides adequate strength for normal daily wear.
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.









