M3075 Eyeglasses by Matsuda. Color: Grey Crystal / Brushed Silver, Matte Black / Brushed Gold, Matte Caramel / Matte Black, Taupe / Antique Gold, Size: 49-21-145. The M3075 by Matsuda is a new take on the classic rectangular shape, handcrafted from high grade titanium with a unique sculpted design using Japanese acetate side shields. The beta titanium temples are ultra lightweight and flexible for optimal comfort. Made in Japan, the craftsmanship for this product is of the highest quality, with precious and unique metal finishes that make this product truly luxurious.