M3150 Eyeglasses by Matsuda. Color: Antique Gold, Antique Silver, Size: 50-22-145. Handcrafted from Japanese acetate and premium titanium, the M3150 combines flexibility and durability to create one of the most comfortable and lightweight optical frames available. A perfectly proportioned rectangular frame is paired with engraved titanium temples inspired by Art Deco motifs Matsuda discovered during his youth in Paris. The design features a beautiful combination of linear and curved elements, creating an understated yet striking visual appeal.