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This generic flat sapphire crystal is compatible with select Cartier Tank models, measuring 15.9mm × 15.9mm with a thickness of 1.1mm. Its flat square design offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
Flat square shape minimizes optical distortion for clear dial viewing
1.1mm thickness provides balanced strength and slim profile
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Length: 15.9 mm
Width: 15.9 mm
Thickness: 1.1 mm
Shape: Flat Square
Material: Synthetic sapphire
Compatible: Select Cartier Tank models
Replacement crystal for select Cartier Tank square 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 Tank watch perfectly?
Only if your watch uses exactly 15.9×15.9×1.1mm square glass; measure before purchase.
3.Is 1.1mm thickness durable enough?
Yes, sapphire is very hard; 1.1mm 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.









