This probably didn't need a separate thread (try one of the existing general threads next time) but I'll bite.
Superdry is an entirely British construct - they've got nothing to do with Japan despite their over the top branding. Most of their better looking jackets are diluted copies of other brands. .
You might want to try Barbour Dept B collection: http://psyche.co.uk/mens/barbour-dept-b or heir made for Japan lines