Tag: luxury watch components

How Thin Can a Sapphire Watch Case Be? Thin-Wall Design, Rigidity, Shock Resistance and Polishing Yield

Sapphire watch cases have traditionally been associated with thick walls, large dimensions and highly limited production. That image is beginning to change. In August 2025, Bianchet presented the UltraFino Sapphire, a curved tonneau-shaped sapphire tourbillon with an overall case height of only 9.8 mm. The manufacturer also highlighted a 1.2 mm case curvature, a 3.85…

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Diamond-Set Sapphire Watch Cases in 2026: Laser-Machined Stone Seats, Stress Control, Edge Chipping and Inspection

For years, sapphire watch cases were valued mainly for their transparency, scratch resistance and ability to expose a mechanical movement from multiple angles. In 2026, the material entered a more demanding stage: the sapphire itself became part of the gem-setting architecture. At Watches and Wonders Geneva in April 2026, Hublot introduced a diamond-set sapphire case…

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