
$35.00
You Saved
This generic flat sapphire crystal is designed for Cartier Tank 2365 and also fits 1820, measuring 15.0mm × 15.0mm with a thickness of 1.5mm. 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
1.5mm thickness provides balanced strength and slim profile
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Length: 15.0 mm
Width: 15.0 mm
Thickness: 1.5 mm
Shape: Flat Square
Material: Synthetic sapphire
Compatible Models: Cartier Tank 2365, 1820
Replacement crystal for Cartier Tank 2365 / 1820
Suitable for luxury square watch restoration
1.Is this an original Cartier part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Tank 2365 or 1820 perfectly?
Only if your watch uses exactly 15.0×15.0×1.5mm square glass; measure before purchase.
3.Is 1.5mm thickness durable enough?
Yes, sapphire is very hard; 1.5mm 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.









