Arnold & Son – Ultrathin Tourbillon Gold & Ultrathin Tourbillon Platinum

The ultrathin tourbillon by Arnold & Son is offering two new designs. They feature a new type of dial with tinted gold and aluminium sparkles to match their precious cases, which have also been redesigned. In 5N red gold or 950 platinum, the cases are just 8.3 mm thick beneath their domed sapphire crystals. The offset display and the tourbillon aperture echo the way in which information was arranged on John Arnold’s marine chronometers. After reworking the structure and appearance of the rotating regulating organ, the power reserve now lasts at least 100 hours – an outstanding and noteworthy performance for an ultrathin tourbillon timepiece.
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