Timekeeping instruments. Watch external parts made of hard material. General requirements and test methods
39.040.10 - Watches
Reemplaza a: PD ISO/TS 18684:2015
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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