Watch cases and accessories. Tests of the resistance to wear, scratching and impacts Ingestion-build-71203 instrumentation and instructions required for

instrumentation and instructions required for type testing

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Once this standard is cited in the Official Journal of the European Union under that Directive and has been implemented as a national standard in at least one Member State

Watch cases and accessories. Tests of the resistance to wear, scratching and impacts Ingestion-build-71203 instrumentation and instructions required for1 Scope This International Standard specifies tests for the evaluation of the resistance of watch cases and their wristlets to wear, scratching and impacts occurring when wearing the watch. This International Standard is applicable mainly to complete watch cases fitted with wristlets. However, certain tests can be applied to the watch case only, to the complete or partial wristlet, or to specially prepared samples. NOTE In order to simulate the state