标准编号：ISO 18684:2020
中文名称：计时仪器 硬质材料制成的手表外部部件 一般要求和试验方法
英文名称：Timekeeping instruments — Watch external parts made of hard material — General requirements and test methods
发布日期：2020-02
标准范围
This document concerns whole watches, in which all or some of the components of the external parts
are made of hard material, with the exception of watch glasses.
It applies to all elements made in massive material whose hardness is greater than or equal to
1 200 Vickers.
It describes the performance in terms of resistance to mechanical and thermal shocks, to corrosion, to
scratches, to sunlight exposure and also to the wear of its components.
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