
$75.00
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This generic flat sapphire crystal is compatible with Franck Muller Master Square models, measuring 31.76mm × 31.76mm. Featuring blue reflective coating, it offers excellent optical clarity and scratch resistance for reliable watch glass replacement.
Flat square shape minimizes optical distortion for clear dial viewing
Blue reflective coating reduces glare and adds elegant appearance
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify dimensions with original glass
Length: 31.76 mm
Width: 31.76 mm
Coating: Blue reflective
Shape: Flat Square
Material: Synthetic sapphire
Compatible Series: Franck Muller Master Square
Replacement crystal for Franck Muller Master Square watches
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 watch perfectly?
Only if your watch uses exactly 31.76mm square glass; measure before purchase.
3.Is the blue reflective coating scratch-resistant?
The coating is durable but may scratch over time; the sapphire underneath remains hard.
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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