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This generic flat square sapphire crystal is compatible with Chopard Happy Diamonds models, featuring an outer dimension of 21.0mm × 21.0mm, an inner dimension of 12.0mm, and a thickness of 0.85mm. Its flat square design offers excellent optical clarity and scratch resistance for shaped watch glass replacement.
Flat square shape offers a distinctive geometric aesthetic
Multi-dimensional design (21×21mm outer, 12mm inner) for specific case fitting
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify all dimensions with original glass
Outer Dimensions: 21.0 mm × 21.0 mm
Inner Dimension: 12.0 mm
Thickness: 0.85 mm
Shape: Flat Square
Material: Synthetic sapphire
Compatible Series: Chopard Happy Diamonds
Replacement for Chopard Happy Diamonds models requiring square flat glass
Suitable for shaped watch restoration and repair
1.Is this an original Chopard part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my square Happy Diamonds watch perfectly?
Only if your watch uses exactly 21×21mm outer with 12mm inner square glass; measure carefully before purchase.
3.What is the inner dimension (12mm) for?
It typically accommodates a decorative bezel or floating diamond chamber.
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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