标准摘要
[中文适用范围]: 本文件涉及整块手表,其中外部部件的所有或部分组件均由硬质材料制成,但表镜除外。 它适用于硬度大于或等于 1200 维氏硬度的所有块状材料制成的元件。 它描述了耐机械冲击和热冲击、耐腐蚀、耐划痕、耐阳光照射以及耐组件磨损的性能。 [外文原描述]: 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.
英文名称Timekeeping instruments — Watch external parts made of hard material — General requirements and test methods