Girard-Perregaux 1957 – At the Mirror!


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robert august.

In 1957 , Girard Perregaux presented a solution that managed to enhance the performance of winding rotors bysubstituting roller-equipped unidirectional clutches for the ratchet wheels which, if compared to traditional solutions still used in automatic timepieces from that time, enabled both the rotor’s unidirectional movement and a longer lasting performance. This solution also paved the way for the launch of the 32A caliber that was hosted within theChronometer HF , the answer that the manufacturer from La Chaux de Fonds gave to the “ highest precision challenge ”.



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