| 摘要 |
The present device relates to an ornamental part utilized in watchcases, watchbands, spectacle frames, accessories and such, wherein the material of the member is heat-resisting material such as metal, ceramics, or plastic, the material being covered by a three-layer structure coating, the successively formed layers being; a layer which has gold colored titanium nitride as its main component; a layer which has gold colored zirconium nitride as its main component; and a gold or gold alloy layer formed on the outer layer. |
