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This generic sapphire crystal is designed for the Cartier Ronde Louis 2890, measuring 21.2mm in diameter with an ultra-thin 0.6mm thickness. Featuring a flat round profile and made from synthetic sapphire (Mohs 9), it offers exceptional scratch resistance and optical clarity for maintaining the watch’s elegant, minimalist aesthetic.
Flat round profile matches Ronde Louis’s minimalist design
Ultra-thin 0.6mm profile for precise case fitting
High hardness (9 Mohs) resists daily scratches and wear
Excellent optical clarity for clear dial viewing
Diameter: 21.2 mm
Thickness: 0.6 mm
Shape: Flat Round
Material: Synthetic sapphire (Mohs 9)
Compatible Model: Cartier Ronde Louis 2890
Replacement crystal for Cartier Ronde Louis 2890
Suitable for luxury dress watch restoration
1.Is this an original Cartier part?
No, it is a generic aftermarket crystal, not OEM.
2.Will it fit my Ronde Louis 2890 perfectly?
Only if your watch uses exactly 21.2mm flat round glass; measure before purchase.
3.Is 0.6mm thickness durable enough?
Yes, sapphire is very hard; 0.6mm 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.
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