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This generic sapphire crystal is designed for the Cartier Ballon Bleu series, measuring 33.3mm in diameter with a height of 3.8mm and thickness of 0.7mm. Featuring a domed round profile with subtle blue reflection, it replicates the unique “pebble-like” curved original design for exceptional scratch resistance and optical clarity.
Domed round profile with subtle blue reflection matches iconic Ballon Bleu aesthetic
Replicates original “pebble-like” curved design for seamless appearance
High hardness (9 Mohs) resists daily scratches and wear
Excellent optical clarity for clear dial viewing
Diameter: 33.3 mm
Height: 3.8 mm
Thickness: 0.7 mm
Feature: Subtle blue reflection
Shape: Domed Round (pebble-like curve)
Material: Synthetic sapphire (Mohs 9)
Compatible Series: Cartier Ballon Bleu
Replacement crystal for Cartier Ballon Bleu series
Suitable for luxury round watch restoration with curved profile
1.Is this an original Cartier part?
No, it is a generic compatible crystal, not OEM.
2.Will it fit my Ballon Bleu watch perfectly?
Only if your watch uses exactly 33.3mm domed glass with curved profile; measure before purchase.
3.Does the blue reflection match the crown?
The subtle blue reflection complements the iconic blue cabochon crown aesthetic.
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.









