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This generic flat sapphire crystal is compatible with Chopard Happy Diamonds models, featuring a round shape with a 12.6mm diameter and 0.8mm thickness. Its flat design offers excellent optical clarity and scratch resistance for small-sized watch glass replacement.
Flat shape minimizes optical distortion for clear dial viewing
0.8mm thickness provides good strength for smaller watch cases
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify diameter and thickness with original glass
Diameter: 12.6 mm
Thickness: 0.8 mm
Shape: Flat Round
Material: Synthetic sapphire
Compatible Series: Chopard Happy Diamonds
Replacement for Chopard Happy Diamonds models requiring 12.6mm flat round glass
Suitable for small-sized and vintage watch restoration
1.Is this an original Chopard part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Happy Diamonds watch perfectly?
Only if your watch uses exactly 12.6mm flat round glass; measure before purchase.
3.Is 0.8mm thick enough for durability?
Yes, 0.8mm provides adequate strength for normal daily wear in small watch sizes.
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.









