I believe the Japanese orange is different from the copper orange mica offered on the amigo and i-280 pickup. A while back someone posted a picture of the 20 some colors offered for the 175 limited edition in Japan. Can't read the color, of course, but in parenthasis the color code is 766. The color code for copper orange is 838. Anyone read Japanese?

サンバーストオレンジマイカ（７６６）

edit: babelfish has it as "sunburst orange mica"