This standard applies to coatings of gold or gold alloy on jewellery worn either on the person or on clothing. Watch bracelets are deemed to be jewellery and are therefore covered by this standard also. This standard specifies the definitions and the marking of the different kinds of gold layers.
DIN 58682:1989 history
1989DIN 58682:1989-04 Gold coatings for jewellery; definition, marking
1989DIN 58682:1989 Gold coatings for jewellery; definition, marking