90.93 Standard confirmed Dec 5, 2025
ISO
ISO/TC 114/SC 13 Watch-glasses
International Standard
39.040.10 Watches
Published
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.
PUBLISHED
ISO 14368-4:2020
90.93
Standard confirmed
Dec 5, 2025