ISO/TC 114/SC 13 - Watch-glasses

This document specifies the terms and definitions, the test methods and the evaluation of results of watch-glasses with anti-reflective treatments. The document is applicable to sapphire watch-glasses with anti-reflective treatments, and it can also be used as a reference for mineral watch-glasses with anti-reflective treatments.

ISO 14368-3:2003 specifies the nomenclature of defects and the test methods to check them, with minimum physical and aesthetic requirements, for circular mineral and sapphire watch-glasses.

ISO 14368-2:2002 specifies dimensional requirements of the interface for the assembly to the case by adhesive or using a gasket for round-shaped mineral and sapphire watch-glasses.

This part of ISO 14368 specifies the dimensions and tolerances of mineral and sapphire watch-glasses. It is applicable to round, flat watch-glasses, typically of diameter 8 mm to 35 mm.