ISO 10553:2018

Horology — Procedure for evaluating the accuracy of quartz watches

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.

Edition	2018
Published Date	2018
Published By	International Standardization Organisation
Page Count	15