ISO 6425:2018 Preview
Horology -- Divers' watches
This document specifies requirements and test methods for divers' watches and for saturation divers' watches for use in deep diving (see Annex A which deals with watches for saturation diving).
It applies to divers' watches designed to withstand diving in water at depths of at least 100 m and equipped with a secured measuring system to indicate the diving time, which is visible in darkness.
Moreover, it indicates the marking which the manufacturer is authorized to apply to them.
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