ISO/TC 114/SC 7 - Overall dimensions

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 ˝′′′; - Type 5: 6 × 8′′′.

ISO 10552:2014 specifies designs and dimensions of crowns and sealed tubes and their tolerances. ISO 10552:2014 is applicable to crowns and sealed tubes of mechanical, electromechanical, and electronic wristwatches of water-resistant designs.

This International Standard specifies overall fixing dimensions of wristwatch-cases to which bracelets or straps are fastened by means of a set of fixing pins and tubes. This International Standard is applicable to wristwatch-cases with four or with two lugs.

This International Standard specifies the dimensions for fixing a bracelet to a wristwatch-case with the use of spring bars. This International Standard is applicable to wristwatch cases of two types and spring bars of three types.

Specifies the fitting diameters of hour, minute and second hands for wrist and pocket watches.