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ISO 10553:2003
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Horology -- Procedure for evaluating the accuracy of quartz watches

This standard has been reviewed* and then confirmed in 2014.

*ISO standards are reviewed every five years.

Abstract

ISO 10553:2003 specifies the procedure for evaluating the accuracy of quartz watches, individually and by lot, and the relationship between the accuracy tested and the accuracy classification given by the manufacturer.

It applies to quartz watches having accompanying documents on which the accuracy classification is indicated.

 

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