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ISO 3764:2000 Timekeeping instruments -- Movements -- Types, dimensions and nomenclature
standard by International Organization for Standardization, 04/15/2000
This International Standard specifies the types and fitting dimensions of mechanical and electromechanical watch-movements.
This International Standard is applicable to the four following types of movements:
Type 1: round;Type 2: shaped round;Type 3: 5 ;Type 4: 6 8.No products