ISO 1112:2009
$13.00
Horology — Functional and non-functional jewels
Published By | Publication Date | Number of Pages |
ISO | 2009-02 | 10 |
ISO 1112:2009 specifies the technical definitions of functional and non-functional horological movement jewels. It describes the different types of jewels used, and how this is to be marked on a timekeeping instrument or used in advertising.