Constant Force Tourbillon by Arnold & Son

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March 2016

The Constant Force Tourbillon is a technically superlative wristwatch that reflects the eighteenth-century watchmaker’s ingenuity. The manufacture movement is equipped with a constant force mechanism and true beat seconds. The former has two series-mounted barrels at 12 o’clock that ensure an optimal and regular flow of power to the tourbillon. The latter, which is clearly visible between 7 and 8 o’clock, stores energy from the balance via a spring, which it releases at each elapsed second only. The seconds hand therefore advances incrementally, allowing time to be read with greater ease and precision. 28-piece limited series.

Source: Europa Star March/April 2016 Magazine Issue