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Hysek - IO Chronograph Tourbillon

Hysek IO Chronograph Tourbillon

Featuring a chronograph, automatic tourbillon and double micro-rotor, the new IO takes up multiple challenges in one unique creation.

The new Hysek timepiece reveals the complexity of the chronograph in all its glory.
At 3 o’clock, the chronograph marks out 45 minutes, drawing attention just as much to the time being measured as to the workings behind it. Hysek has positioned a skeletonized flying tourbillon at 10 o’clock. The choice of this finish is anything but the fruit of chance: echoing the manufacture’s approach to the chronograph, it’s specifically designed to provide dizzying views down into the intricate escapement; an opportunity to delight in the mechanical innards of the tourbillon even as you watch it mark out the seconds. This design ethos is similarly present in Hysek’s hand-crafted finishing. The openwork tracery on the tourbillon appears literally to be suspended from a titanium frame, taking the theme of transparency to its apogee.

Hysek has sought to make the 360-part calibre as slim as possible. To achieve this, the manufacture has removed the oscillating weight, making room for the micro-rotor. The ‘double yet continuous’ design of the latter has become a hallmark of the brand. Double, because it has two weights – one beneath the dial and one at the back. The first is made from 22-carat rose gold, the one on the back from platinum. They are continuous, too, because both are located at 6 o’clock and connected by a single shaft. This Hysek invention saves a great deal of space whilst offering winding capabilities as powerful as those of a traditional oscillating weight. As a result, the IO Chronograph Tourbillon has an automatic calibre that is only 13 mm thick – and a 48-hour power reserve.

IO Chronograph Tourbillon

To clad the piece, Hysek has drawn on the design codes that have forged its identity. At the top of the dial, only the 11 and 1 are shown, just as they are to be found on most of the timepieces ever produced by the manufacture. While the “3-6-8” tri-compax layout is as one would expect, the arrangement of the openings has been completely revisited. The tourbillon is located at 10 o’clock – an unusual position, but one that gives the IO an elegant poise.

Lastly, the manufacture has once again used its Rose des Vents compass rose finish – one of the most delicate to fashion, and completed wholly by hand. For the colours, Hysek has gone for a sober look, with a 45 mm case made completely from rose gold, mounted on a black or chocolate-coloured alligator strap with a fold-over catch.


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The company's founding principles are a combination of the unconventional with technical prowess. Each new timepiece is not simply the modification of an existing aesthetic model, but is completely designed from scratch. This perpetual calling into question leads to the creation of audacious timepieces that are not afraid to surprise.

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