Musée international d'horlogerie, Rue des Musées 29, 2300 La Chaux-de-Fonds
The scholarly quest for accuracy has been at the heart of watchmaking innovation since the 17th century. From the Second World War, physicists took over from astronomers and horologists in the pursuit of accurate time measurement. From 1967, the second was no longer defined via astronomical observations such as the passage of the sun across the zenith, but by measuring a microscopic phenomenon : the oscillation of caesium atoms.
Opening hours
Tuesday to Sunday: 10 a.m. - 5 p.m.More dates
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Musée international d'horlogerie
Rue des Musées 29
2300 La Chaux-de-Fonds