M3125 Sunglasses by Matsuda. Color: Brushed Silver/Bottle Green / Gray Gradient, Antique Gold/Dark Tortoise / G-15, Antique Silver/Navy / Blue Gray, Brushed Gold/Black / Gray, Ruthenium/Matte Black / Cafe Violet Gradient, Size: 49-21-145. The Matsuda M3125 sunglasses are a true work of art, handcrafted in the artisan eyewear workshops of Japan. The frame is made of lightweight titanium and Japanese acetate for style and comfort. Each pair features gradient lenses with round frames, nose pads, straight arms and curved tips. Whether you’re looking for an accessory to complete your look or just want something stylish to protect your eyes from the sun, Matsuda M3125 sunglasses are the perfect choice.