The Matsuda - M2059 pairs a bold round lens shape with a distinctive hand-carved Japanese acetate construction, featuring a titanium insert and matching acetate temples. The carved material carries sculptural depth while the hidden metal core lends quiet structural integrity. Substance shaped by hand—the material mastery and meticulous construction Matsuda's Sabae craftsmen have refined for decades, expressed with subdued confidence. Handmade in Japan. Includes Matsuda box, case, and cleaning cloth.