MikroTourbillonS: TAG Heuer’s First Double Tourbillon

TAG Heuer surprised many in the world of haute horology when it officially unveiled the new MikroTourbillonS earlier this month.

Two uncaged tourbillons, built in-house by TAG Heuer, regulate the movements of the watch and the chronograph. The watch is housed in a 45 mm Carrera case of rose gold accented by black tantalum, which is a transition metal known for its anti-corrosive properties. Mounted on a rubber strap, the face reveals a dial for chronograph minutes and a dial for chronograph seconds, along with a power reserve indicator at the 12 o’clock position.

The central flying hand sweeps the dial every second with 1/10 and 1/100 increments shown. Other movement includes the dual tourbillons – the first, which regulates the watch, rotating at a frequency of one turn per minute. The second tourbillon, which regulates the chronograph, rotates 12 times in one minute, making it the fastest tourbillon ever produced.

The watch and the chronograph are wound by the same crown, leaving the watch capable of storing 44 hours of power while the chronograph has a reserve of 60 minutes.

MikroTourbillonS is part of TAG Heuer’s Mikro platform, which is characterized by double barrels that split the watch and chronograph functions. The tourbillons used in the MikroTourbillonS were constructed in-house at La Chaux-de-fonds, with 437 out of 439 components made by TAG Heuer’s 40-member team of engineers and watchmakers.

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