DIN 8257-3:1987
Jewels for fine mechanics; watch jewels, ring jewels
- Standard No.
- DIN 8257-3:1987
- Release Date
- 1987
- Published By
- German Institute for Standardization
- Status
- Replace By
- DIN 8257-3:1987-11
- Latest
- DIN 8257-3:1987-11
- Scope
- This standard refers to ring jewels for use in movements for watches and clocks.
DIN 8257-3:1987 history
- 1987 DIN 8257-3:1987-11 Jewels for fine mechanics; watch jewels, ring jewels
- 1987 DIN 8257-3:1987 Jewels for fine mechanics; watch jewels, ring jewels
