M3118 Eyeglasses by Matsuda. Color: Blue Demi / Brushed Gold, Dark Tortoise / Antique Gold, Grey Crystal / Antique Silver, Matte Black / Brushed Silver, Size: 48-21-145. The M3118 by Matsuda is a stylish and timeless eyewear that embodies a sense of duality. Its rectangular shape is crafted from titanium and Japanese acetate for ultimate comfort and durability. The adjustable rubber nose pads provide extra comfort, while the engraved temple detail adds a touch of elegance.