Watch-cases and accessories. Gold alloy coverings - Determination of fineness, thickness, corrosion resistance and adhesion Ingestion-build-221493 NOTE Until EN 10056‑1 is

NOTE Until EN 10056‑1 is published

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Watch-cases and accessories. Gold alloy coverings - Determination of fineness, thickness, corrosion resistance and adhesion Ingestion-build-221493 NOTE Until EN 10056‑1 is1 Scope This part of ISO 3160 specifies methods to determine fineness, thickness, corrosion resistance and adhesion for gold alloy coverings on watch cases and accessories, including bracelets when they are permanently attached to the case. The tests apply only to significant surfaces. This part of ISO 3160 applies to all gold alloy coverings specified in ISO 31601.