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This generic flat round sapphire crystal is designed for the Cartier Santos Ronde 8191, measuring 24.5mm in diameter with a thickness of 0.8mm. Its flat design offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
Flat round shape minimizes optical distortion for clear dial viewing
0.8mm ultra-thin profile for precise case fitting
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Diameter: 24.5 mm
Thickness: 0.8 mm
Shape: Flat Round
Material: Synthetic sapphire
Compatible Model: Cartier Santos Ronde 8191
Replacement crystal for Cartier Santos Ronde 8191
Suitable for luxury round watch restoration
1.Is this an original Cartier part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Santos Ronde 8191 perfectly?
Only if your watch uses exactly 24.5mm flat round glass; measure before purchase.
3.Is 0.8mm thickness durable enough?
Yes, sapphire is very hard; 0.8mm 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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