1 Scope This standard specifies requirements, test methods, inspection rules as well as marking, packaging, transport and storage of watches with jewels and precious metal alloys (hereafter referred to as “watches”). This standard is applicable to mechanical watches or analogue quartz watches with: ——jewels inlaid in casing; ——the dial bonded with jewels; ——all or part of the casing made of precious metals and their alloys with purity (‰) not lower than that specified in this standard. It may be used as a reference for pocket watches and for movement made of non-functional jewels, precious metals and their alloy materials. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2828.1 Sampling procedures for inspection by attributes - Part1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection (GB/T 2828.1-2003; ISO 2859-1: 1991, IDT) 1991, IDT) GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability) GB/T 6044 Analogue quartz watches GB/T 9820.2 Horological vocabulary - Part 2: Technical and commercial definitions (GB/T 9820.2-2008; ISO 6426-2: 2002, IDT) GB 11887 Jewellery - Fineness of precious metal alloys and designation (GB 11887-2008; ISO 9202: 1991, MOD) GB/T 16552 Gems - Nomenclature GB/T 16553 Gems - Testing GB/T 16554 Diamond grading GB/T 18043 Jewellery - Determination of precious metal content - Method using X-Ray fluorescence spectrometry GB/T 19719 Jewellery - Determination of the release of nickel - Method of spectrometry (GB/T 19719-2005; EN 1811: 1998, MOD) GB/T 19941 Leather and fur - Chemical tests - Determination of formaldehyde content (GB/T 19941-2005; ISO/TS 17226: 2003, MOD) GB/T 19942 Leather and fur - Chemical tests - Determination of banned azo colourants (GB/T 19942-2005; ISO/TS 17234: 2003, MOD) QB/T 1249 Mechanical watches QB/T 1898 Horology - Shock-resistant watches QB/T 2047-2007 Metal watchband 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 9820.2 and the following apply.
Standard
QB/T 4160-2011 Watches with jewels and precious metal alloys (English Version)
1 Scope
This standard specifies requirements, test methods, inspection rules as well as marking, packaging, transport and storage of watches with jewels and precious metal alloys (hereafter referred to as “watches”).
This standard is applicable to mechanical watches or analogue quartz watches with:
——jewels inlaid in casing;
——the dial bonded with jewels;
——all or part of the casing made of precious metals and their alloys with purity (‰) not lower than that specified in this standard.
It may be used as a reference for pocket watches and for movement made of non-functional jewels, precious metals and their alloy materials.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2828.1 Sampling procedures for inspection by attributes - Part1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection (GB/T 2828.1-2003; ISO 2859-1: 1991, IDT) 1991, IDT)
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability)
GB/T 6044 Analogue quartz watches
GB/T 9820.2 Horological vocabulary - Part 2: Technical and commercial definitions (GB/T 9820.2-2008; ISO 6426-2: 2002, IDT)
GB 11887 Jewellery - Fineness of precious metal alloys and designation (GB 11887-2008; ISO 9202: 1991, MOD)
GB/T 16552 Gems - Nomenclature
GB/T 16553 Gems - Testing
GB/T 16554 Diamond grading
GB/T 18043 Jewellery - Determination of precious metal content - Method using X-Ray fluorescence spectrometry
GB/T 19719 Jewellery - Determination of the release of nickel - Method of spectrometry (GB/T 19719-2005; EN 1811: 1998, MOD)
GB/T 19941 Leather and fur - Chemical tests - Determination of formaldehyde content (GB/T 19941-2005; ISO/TS 17226: 2003, MOD)
GB/T 19942 Leather and fur - Chemical tests - Determination of banned azo colourants (GB/T 19942-2005; ISO/TS 17234: 2003, MOD)
QB/T 1249 Mechanical watches
QB/T 1898 Horology - Shock-resistant watches
QB/T 2047-2007 Metal watchband
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 9820.2 and the following apply.
