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.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 1112:2009 |
| Product Name | Horology - Functional and non-functional jewels |