
$45.00
You Saved
This generic flat sapphire crystal is designed for the Cartier Tank MC W5330003 case back, measuring 26.9mm × 26.9mm with a thickness of 0.8mm. Its flat square design offers excellent optical clarity and scratch resistance for reliable case back glass replacement.
Flat square shape ensures precise fit for case back opening
0.8mm ultra-thin profile for precise case back fitting
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Length: 26.9 mm
Width: 26.9 mm
Thickness: 0.8 mm
Shape: Flat Square
Material: Synthetic sapphire
Compatible Model: Cartier Tank MC W5330003 (case back)
Replacement case back crystal for Cartier Tank MC W5330003
Ideal for restoring movement visibility in exhibition case backs
1.Is this an original Cartier part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Tank MC W5330003 case back perfectly?
Only if your case back uses exactly 26.9×26.9×0.8mm square glass; measure before purchase.
3.Is 0.8mm thickness durable enough for case back?
Yes, sapphire is very hard; 0.8mm provides adequate strength for case back use.
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.









