The construction method of the metal gives more support in the quench but heck i bet when it does go " ting" you get to learn some real world Japanese language!!That Made in Japan is on bbc4 catch up. A family that makes traditional Samurai swords, one of them takes 2 weeks to sharpen it. They quench them in water as well. Cost a few bob though.
it reminds me of a cock brown trout in its breeding colours .