Technical requirements and verification for watches and watch movements; watches with electrical energy source, frequency of oscillating system
1000 Hz
国外标准现行
标准号:DIN 8312-2-1975
标准名称: 钟表及其精密运动装置的技术要求和检验.带电源和频率≤1000Hz振荡系统的的钟表
英文名称:Technical requirements and verification for watches and watch movements; watches with electrical energy source, frequency of oscillating system
1000 Hz