Metal watch bracelets
1 Scope
This standard specifies the classification, requirements, test method, inspection rules, marking, packaging, transportation and storage of metal watch bracelets (hereafter referred to as “watch bracelets”).
It is applicable to all kinds of watch bracelets made of metal and alloy materials, and it may also be used as reference for watch bracelets made of hard nonmetal 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 - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (GB/T 2828.1-2012, ISO 2859-1:1999, IDT)
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability)
GB/T 4048 Timekeeping instruments - Wristwatches - Dimensions of bracelet-to-case fastening elements (GB/T 4048-2008, IS0 3765:1998, IDT)
GB/T 6060.3 Surface roughness comparison specimen - Part 3: Spark-eroded, shot-blasted, grit-blasted, lapped, filed and polished surface
GB/T 10111 Generation of random numbers and procedures applied to sampling inspection for product quality
GB/T 19719 Jewellery - Determination of the release of nickel - Method of spectrometry (GB/T 19719-2005; EN 1811: 1998, IDT)
QB/T 1901.1 Watch-cases and accessories - Gold alloy coverings - Part 1: General requirement (QB/T 1901.1-2006, ISO3160-1:1998, IDT)
QB/T 1901.2-2006 Watch-cases and accessories - Gold alloy coverings - Part 2: Determination of fineness thickness corrosion resistance and adhesion
QB/T 4160-2011 Watches with jewels and precious metal alloys
3 Classification
3.1 Classification by structure
——Solid watch bracelet, all the sections of which are made of solid metal materials;
Foreword i
1 Scope
2 Normative references
3 Classification
4 Requirements
5 Test method
6 Inspection rules
7 Marking, packaging, transportation and storage
Annex A (Normative) Wear test in ceramic wear debris
