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This generic mineral crystal is designed for the Cartier Tonneau WE400331, measuring 34.88mm × 21.14mm with an overall height of 5.0mm and edge thickness of 1.0mm. Its domed rectangular/tonneau design offers good optical clarity and scratch resistance for reliable watch glass replacement.
Domed rectangular/tonneau shape provides classic Tonneau aesthetics and impact resistance
5.0mm overall height offers enhanced strength and durability
Mineral crystal provides good scratch resistance for daily wear
Generic design – always verify dimensions with original glass
Length: 34.88 mm
Width: 21.14 mm
Overall Height: 5.0 mm
Edge Thickness: 1.0 mm
Shape: Domed Rectangular/Tonneau
Material: Mineral crystal
Compatible Model: Cartier Tonneau WE400331
Replacement crystal for Cartier Tonneau WE400331
Suitable for luxury tonneau-shaped watch restoration
1.Is this an original Cartier part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Tonneau WE400331 perfectly?
Only if your watch uses exactly 34.88×21.14mm domed tonneau glass; measure before
3.Is mineral crystal less scratch-resistant than sapphire?
Yes, mineral crystal is softer than sapphire but more impact-resistant and cost-effective.
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