Kind of blue

Nestled in the Jura Mountains, the Vallée de Joux is dotted with villages including Le Brassus, where Audemars Piguet’s watchmaking began in 1875.

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The region’s clear night sky has long inspired its astronomical complications. Besides the movement of celestial bodies, the deep blue hue has been a source of inspiration to its latest timepieces.

In 1972, Gérald Genta even designed the dial of the first Royal Oak (model 5402) in this mysterious shade. Gene-va-based dial maker Stern worked on his proposal and added black pigment No.50 to a protective varnish, called Zapon, resulting in the Bleu Nuit, Nuage 50 colour with a cloud effect.