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This generic flat sapphire crystal is designed for Franck Muller Long Island 1200 MC and also fits 1150 SC, measuring 37.7mm × 25.1mm with an overall height of 5.1mm and edge thickness of 0.8mm. Its flat rectangular design with stepped edge offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
Flat rectangular shape minimizes optical distortion for clear dial viewing
Stepped design (5.1mm height, 0.8mm edge) for precise case fitting
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Length: 37.7 mm
Width: 25.1 mm
Overall Height: 5.1 mm
Edge Thickness: 0.8 mm
Shape: Flat Rectangular with stepped edge
Material: Synthetic sapphire
Compatible Models: Franck Muller Long Island 1200 MC, 1150 SC
Replacement crystal for Franck Muller Long Island 1200 MC / 1150 SC
Suitable for luxury rectangular watch restoration
1.Is this an original Franck Muller part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Long Island 1200 MC or 1150 SC perfectly?
Only if your watch uses exactly 37.7×25.1mm stepped rectangular glass; measure before purchase.
3.What is the stepped edge for?
The stepped edge allows the crystal to sit flush against the case rim for a secure fit.
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