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This generic flat sapphire crystal is designed for the Franck Muller Master Square 6000 K, measuring 34.9mm × 34.9mm with an overall height of 4.5mm and edge thickness of 0.9mm. Its flat square design offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
Flat square shape minimizes optical distortion for clear dial viewing
Stepped design (4.5mm height, 0.9mm edge) for precise case fitting
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Length: 34.9 mm
Width: 34.9 mm
Overall Height: 4.5 mm
Edge Thickness: 0.9 mm
Shape: Flat Square with stepped edge
Material: Synthetic sapphire
Compatible Model: Franck Muller Master Square 6000 K
Replacement crystal for Franck Muller Master Square 6000 K
Suitable for luxury square watch restoration
1.Is this an original Franck Muller part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Master Square 6000 K perfectly?
Only if your watch uses exactly 34.9×34.9mm stepped square 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.
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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