BaselWorld 2018: The Double Tourbillon Technique Blue from Greubel Forsey
The Double Tourbillon Technique Blue highlights Greubel Forsey’s first fundamental invention. Integrated into the complex three-dimensional movement architecture, the sapphire crystal chapter-ring is transformed into a window through which to observe a miniature world of constant movement in which all the elements are intertwined, catching our eye from one gear-wheel to the next. For this timepiece, the challenge for Greubel...
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