M3141 Sunglasses by Matsuda. Color: Antique Gold / Sage Green, Brushed Gold / Grey, Ruthenium / Pink Gradient, Palladium White / Blue Gradient, Size: 50-22-143. By blending innovation and tradition, the Japanese eyewear brand Matsuda creates breathtaking frames with an intricate design and filigree engraving. Painstakingly crafted by hand in the artisanal eyewear workshops of Japan, each Matsuda frame is a real work of art! To provide both style and comfort in daily use, the glasses are made from the premium-quality materials, such as lustrous Japanese acetate, titanium, stainless steel, sterling silver, and 18k solid gold. From their cutting-edge pince-nez bridges to the authentic side shields, Matsuda frames emphasize immediacy Matsuda chooses to anchor themselves in the tradition of craftsmanship and thoughtful execution. Each pair of glasses goes through a 250-step process to satisfy the most sophisticated fashionistas.