Patek Philippe
The development of the new Patek Philippe desk clock, Reference 27000M, led to the filing of nine patent applications for innovations and optimizations. These patents were notably aimed at strengthening long-term reliability, reducing the energy consumption of the perpetual calendar, enhancing ease of use, and securing the functions against any inadvertent mishandling.
The rectangular caliber 86-135 PEND S IRM Q SE took seven years to develop and allows a historic timepiece to function with the ease of use of a 21st-century timepiece.
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