Savant Eyeglasses by Barton Perreira. Shape: Round, Material: Titanium, Color: Antique Gold, Gold, Gold / Black Enamel, Gold/Tortoise Enamel, Pewter, Silver / Black Enamel, Size: 46-22-148. Meticulously crafted by hand in Japan, a single pair of Barton Perreira frames is a real work-of-art with exquisite details and stunning silhouettes. Every facet and every angle of Barton Perreira glasses is brought to life with virtuosity and precision. Made from the premium-grade Japanese acetate and titanium, they fit like a tailored suit. In addition, the frames are wired with an adjustable foundation to align perfectly with the wearer’s face, while maintaining its shape.