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Results for Equation of Time

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Hands On: Haute-Rive Honoris Meccanica SJX Watches
Girard-Perregaux 4h ago

Hands On: Haute-Rive Honoris Meccanica

Taking place right next door to Watches & Wonders, Time to Watches is an annual fair dedicated to independent watchmaking. Among the exhibitors this year was Stéphane von Gunten, the watchmaker behind the Haute-Rive brand.  Arguably the most technically impressive watch on display was the Honoris Meccanica, the most mechanical looking of Haute-Rive’s Honoris line. The timepiece houses a three meter-long mainspring which allows it to achieve a power reserve of 41 days — more specifically 1,000 hours. Unlike some other watches with ultra-long power reserves, the Honoris Meccanica remains a properly sized and wearable timepiece that doesn’t feel like a wrist-worn experiment. Initial thoughts Stéphane von Gunten is part of a new generation of independent watchmakers with a strong engineering background, rather than a career spent doing restoration work. Before launching Haute-Rive, Mr von Gunten worked as a Research and Innovation Director at the Sowind group, which owns Girard-Perregaux and Ulysse Nardin. His most notable work happened while at Ulysse Nardin, where Mr von Gunten filed a number of important patents, ranging from the oval-shaped hairspring still used by Ulysse Nardin today to constant force escapements and compliant flexure oscillators.  As fate would have it, one of Mr von Gunten’s ancestors is Irénée Aubry, the watchmaker behind the “Hebdomas” eight-day pocket watch of 1888. Commercialised under many names, the movement only required winding...