Home / Standards / GB/T 26693 GB/T 26693 Active Timekeeping instruments—Types，dimensions and nomenclature of watch movements 计时仪器 手表机心的形状、尺寸和名称 Standard Type GBT ICS 39.040.10 CCS Y11 Status 现行 Issue Date 2019-08-30 Implementation 2020-03-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会