Timekeeping instruments. Movements. Types, dimensions and nomenclature included-in-kit BS EN 13958 mainly applies

BS EN 13958 mainly applies to round cold drawn tubes for general engineering applications manufactured in 1xxx series of aluminium and 3xxx series of alloys

and criteria for acceptance which allows them to effectively manufacture and test electrical relays

The range of multicore auxiliary cables has been increased up to 48 core

Requirements and testing

Timekeeping instruments. Movements. Types, dimensions and nomenclature included-in-kit BS EN 13958 mainly applies1 Scope This International Standard 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 ; Type 5: 6 8.