This standard specifies the sampling, inspection, inspection result determination and unqualified handling of imported and exported mechanical watches. This standard is applicable to the inspection of imported and exported mechanical watches with fork-type escapement speed regulators, and the inspection of their movements can be implemented with reference.
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection