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Standard Type : Main
Document No : ISO 10553:2018
Document Year : 2018
Pages : 15
Edition : 2
Section Volume : Indication of accuracy (ISO/TC 114/SC 11.)
This document specifies the procedure for evaluating the accuracy of quartz watches, individually and by lots (see Annex A which presents the methods for statistical evaluation of accuracy 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.