Greubel Forsey QP à Équation Debuts in Rose Gold with Chocolate Dial
Greubel Forsey introduced its seventh “Invention Piece,” the QP à Équation, in 2015, adding a rhodium-dialed Millésime edition in 2017. This year, the extraordinarily complex timepiece debuts in a new version with an 18k rose gold case and a chocolate-colored gold dial.
Greubel Forsey QP à Equation in rose gold with chocolate dial
The QP à Équation Millésimé is driven by a movement equipped with an ingenious mechanism that Greubel Forsey calls a ?Computeur Mécanique,? or mechanical computer. This device is a sub-assembly within the 624-part caliber, and partly inspired by the systems used in large astronomical clocks since the end of the 15th century, which managed the information that determined certain key dates in the ecclesiastical calendar in relation to astronomical data. Greubel Forsey has received four patents for the movement. The mechanical ?brain? at the center of this invention consists mainly of rotating, co-axial coded elements in an arrangement complemented by a system of programmed movable sections. Depending on its geometry and speed of rotation, each element generates its own indication in a cyclical, pre-programmed way. In this manner, the mechanical computer is able to automatically display all the indications of the watch, each generated by its own co-axial coded element. In the case of the QP à Equation, these consist of all the functions of a perpetual calendar, along with the equation of time: seasons, equinoxes, solstices, the ...
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