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About This Item

 

Full Description

This International Standard specifies the technical definitions of functional and non-functional horological jewels. It describes the different types of jewels used, and how this is to be marked on a time-keeping instrument or used in advertising.

 

Document History

  1. ISO 1112:2009


    Horology - Functional and non-functional jewels

    • Most Recent
  2. ISO 1112:1999

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    Horology -- Functional and non-functional jewels

    • Historical Version