2004年Zwilling Japan Miyabi (日本Seki・Industry-leading Japanese premium Damascus knife brand) 発表Birchwood SG2・Industry-leading Japanese Premium 63HRC Damascus Chef Knife・Industry-leading SG2 micro-carbide powder steel + Industry-leading 63HRC harder + Industry-leading 132-layer Damascus + Industry-leading 9.5°-12°double-bevel + Industry-leading Birchwood handle + Industry-leading Zwilling Solingen + Seki Japan integrated heritage・¥89,800-109,800価格帯。