This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation and storage of leather bracelets (hereinafter referred to as "bracelets").
This standard is applicable to the watch bracelets made of natural leather or man-made leather; it can also be taken as reference to bracelets made of other synthetic leather or fabric.
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 250 Textiles - Tests for Color Fastness - Gray Scale for Assessing Change in Color (GB/T 250-2008, ISO 105-A02:1993, IDT)
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 2828.1-2012, 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, ISO 3765:1998, IDT)
GB/T 10111 Generation of Random Numbers and Procedures Applied to Sampling Inspection for Product Quality
GB 20400-2006 Leather and Fur - Limit of Harmful Matter
GB 21550 The Restriction of Hazardous Materials in Polyvinyl Chloride Artificial Leather
QB/T 1901.2-2006 Watch-cases and Accessories - Gold Alloy Coverings - Part 2: Determination of Fineness, Thickness, Corrosion Resistance and Bonding Strength (ISO 3160-2:2003, IDT)
QB/T 2537 Leather - Tests for Color Fastness - Color Fastness to to-and-fro Rubbing (QB/T 2537-2001, ISO 11640:1993, eqv)
HG/T 3689-2001 Test Method of Discoloration for Footwear
3 Requirements
3.1 Dimension and limit deviation
3.1.1 Width dimension series and limit deviation of bracelet axle hole end
