ISO 286-1 Geometrical product specifications (GPS) - ISO code system for tolerances on linear sizes - Part 1: Basis of tolerances, deviations and fits; Technical Corrigendum 1
ISO 6426-2 Horological vocabulary - Part 2: Technical and commercial definitions; Technical Corrigendum 1
BS ISO 10552:2014 history
2014BS ISO 10552:2014 Timekeeping instruments. Crowns and sealed tubes. Designs and dimensions
2012BS ISO 10552:2012 Timekeeping instruments. Crowns and sealed tubes. Designs and dimensions