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This generic domed sapphire crystal is compatible with Chopard Happy Sport reference 278492, featuring a round shape with a 25.4mm diameter and 1.0mm edge thickness. Its domed profile offers enhanced durability and a clear view of the floating diamonds.
Domed shape provides classic aesthetics and impact resistance
1.0mm edge thickness balances strength and slim profile
High hardness (9 Mohs) resists daily scratches and wear
Generic design – always verify diameter and profile with original glass
Diameter: 25.4 mm
Dome Height: 1.8 mm
Edge Thickness: 1.0 mm
Shape: Domed Round
Material: Synthetic sapphire crystal
Compatible Reference: Chopard Happy Sport 278492
Replacement for Chopard Happy Sport ref. 278492 crystal
Suitable for floating diamond 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 Happy Sport 278492 perfectly?
Only if your watch uses exactly 25.4mm domed glass; measure before purchase.
3.Is the dome height important for fitting?
Yes, the 1.8mm dome height must match your original for proper hand clearance.
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.
