Sapphire Watches Are Pricey, Hard to Make, and Perfectly On-Trend
From left: Sapphire crystal watches from Bell & Ross, Greubel Forsey, and Hublot. Photographer: Jamie Chung for Bloomberg Businessweek

Sapphire Watches Are Pricey, Hard to Make, and Perfectly On-Trend

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(Bloomberg Businessweek) -- There’s a reason why only eight of Greubel Forsey’s sapphire double-­tourbillon timepieces exist, and it isn’t merely a matter of its $1.1 million price. Sapphire is th...
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