Although very similar in size and configuration to the normal Tread 1, limited edition Group 63 is as instantly recognizable as something special. The exterior case parts are mix of black coated frame and carbotech master links. To form the plates of carbotech from which these components are made, thin sheets of carbon fibres are compressed at the controlled temperature under high pressure together with high end polymer, PEEK (Polyether Ether Ketone), binding the composite material and making it even stronger and more durable. The carbon fibres used are very long to ensure great aesthetic uniformity; the sheets are super-imposed and pressed together in such a way that the fibres of each layer are set at a different angle to the ones above and below it. This produces a stripped matte black appearance which varies according to the cut of the material, resulting in each watch being truly unique. The visual symphony carries on inside the case where the most recognizable features are the movement’s red motor housings and discrete indicator plate surrounding hour minute and second. The time belts are black while the numerals are executed in strong red contributing to a decidedly sporty, racing appearance.
At the heart of the Tread 1 is an onboard microprocessor, essentially a tiny computer, that controls all of the watch’s functions. It gathers data from a temperature-compensated crystal and a proprietary optical recognition system, which continuously monitors and verifies the position of the Time Belts thereby ensuring steadfast accuracy – in fact, the Tread 1 is accurate to within one half-second per day.
The belt assemblies are mounted on a central chassis, which allows for the perfect clearance of moving parts and also creates the illusion within the case. Lubricant-free ruby bearings are used at the friction points of the movement, a thoughtful engineering detail that precludes the need for lubrication and significantly reduces maintenance. Tread 1 is powered by a robust lithium-polymer rechargeable cell that runs for up to two weeks on a single charge. When recharging is required, it is accomplished inductively, without wires, via a custom-designed charging tower in only a few hours. The window into this mechanical masterpiece is a crystal produces from scratch-resistant polycarbonate with bulletproof durability.
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