
$60.00
You Saved
This generic flat sapphire crystal is designed for the Franck Muller Master Square 6002S, measuring 21.0mm × 21.0mm with a square profile. Featuring the Art Deco-inspired geometry of the Master Square collection, it is made from synthetic sapphire (Mohs 9) offering exceptional scratch resistance and optical clarity for restoring the watch‘s elegant, geometric aesthetic.
Square profile matches Master Square 6002S Art Deco geometry
High hardness (9 Mohs) resists daily scratches and wear
Excellent optical clarity for clear dial viewing
Flat design minimizes optical distortion
Length: 21.0 mm
Width: 21.0 mm
Shape: Square
Material: Synthetic sapphire (Mohs 9)
Compatible Model: Franck Muller Master Square 6002S
Replacement crystal for Franck Muller Master Square 6002S
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 6002S perfectly?
Only if your watch uses exactly 21.0×21.0mm square glass; measure before purchase.
3.Is this crystal flat or domed?
It is a flat square crystal, maintaining the original Master Square design.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
3,000+ watch movements and parts in stock.
Trusted by watchmakers worldwide.
Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.









