Ending a series of
When the hottest-burning stars come to the end of their existence, they take one last stand in the form of a massive supernova. Horological Machine N°6 has only been around since 2014, but its audacious construction and design make it one of the brightest stars in the MB&F constellation, and it has entered supernova phase just four years after its debut.
End of an Era
Following the case-material precedent set by Legacy Machine N°1 Final Edition, HM6 Final Edition is presented in stainless steel, a fittingly robust and durable material to memorialise the last outing of this series. Any machine that has experienced four years of intergalactic exploration – transitioning from cosmic pirate ship to futuristic alien vessel – is bound to bear the marks of adventure (or misadventure); the body of HM6 Final Edition is deeply grooved with polished lines that stretch from the turbine pods to the hour and minute spheres, contrasting sharply with the satin-drawn main surfaces.

The temperature of a star determines its colour, with the hottest stars appearing bright blue due to their higher radiation frequency. Appropriately, this shade features prominently in HM6 Final Edition. The platinum oscillating weight, visible through a sapphire crystal pane on the underside of the case, has been given a blue PVD (physical vapour deposition) coating. The hour and minute spheres are also in this arresting hue, with numerals and markings standing out in thickly applied Super-LumiNova that luminesces light blue.
Captivating Design
The hour and minute spheres are oriented perpendicular to the rest of the engine to facilitate readability and are driven by conical gears to ensure that this unusual configuration still provides the necessary precision in displaying the time. At the opposite end of the HM6 engine, twin turbines create air resistance that protects the automatic winding system. Such commitment to mechanical integrity doesn’t come easily. The engine of Horological Machine N°6, comprising 475 components, took three years of research and development to realise – almost as long as the entire lifespan of the HM6 series itself.
Central to the design and construction of HM6 is the flying tourbillon, protected by a retractable shield and evocative of the sharply controlled chaos at the heart of our universe. Now that things are coming to a close for HM6, the sapphire crystal dome above the flying tourbillon takes a page from the show-all playbook of HM6 Alien Nation and expands its dimensions in order to more fully expose the beating regulator in its revolving cage.

The otherworldly engine of Horological Machine N°6 was created over three years of research and development. It was the second tourbillon movement to come out of MB&F and the first flying tourbillon to do so.
A Distinguished Timepiece
Unlike other flying tourbillons, which safeguard chronometric performance by keeping the rotating escapement as close to the main body of the movement as possible, the flying tourbillon of the HM6 engine is distinguished by its extreme height, a mechanical and philosophical challenge equal to the audacity of the overall HM6 design. Its one concession to the laws of nature is the retractable titanium shield that protects the lubricating oils essential to the smooth operation of the flying tourbillon from the oxidising effects of the ultraviolet radiation present in sunlight.
Time is displayed through two rotating hemispheres, marked separately with the hours and minutes. These hemispheres are milled to paper-thinness to reduce the torque demand on the mainspring barrels and extend the power reserve to its maximum length. Additional mechanical and visual complexity is offered by the positioning of the hemispheres such that they rotate perpendicular to the rest of the geared elements in the HM6 engine. Conical gears are employed to achieve this angular translation without compromising a single iota of precision engagement.
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