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Swiss watches are very accurate. That simple statement hides a long quest which began in the 19th century and is still continuing today. A watch remains constantly exposed to external influences such as gravity, shocks, temperature and humidity and the search for precision must always counteract these external factors. This quest is backed by precious expertise and the use of modern high performance technical resources.

Development of chronometry in Switzerland

Renaissance of the international chronometry competition

Swiss official chronometer testing

ISO standard

The Olympic Games and sports timekeeping