BS ISO 3764:2016规定了机械和液压系统的类型和装配尺寸 机电手表运动。本国际标准适用于以下五种运动类型:类型1:圆形；2型:圆形；3型:双刀圆形；4类:5½英寸；5型:6¾×8英寸。交叉引用:ISO 286-1ISO 6426-2购买时可用的所有现行修订版均包含在本文件的购买中。

BS ISO 3764:2016 specifies the types and fitting dimensions of mechanical and electromechanical watch-movements.This International Standard is applicable to the five following types of movements:Type 1: round;Type 2: shaped round;Type 3: round with double cutting;Type 4: 5 ½''';Type 5: 6 ¾ × 8'''.Cross References:ISO 286-1ISO 6426-2All current amendments available at time of purchase are included with the purchase of this document.