Ray-ban Round Metal RX3447V 3173. Eyeglasses Ray-Ban RX3447V Round Metal offer a vintage touch with their round metal frame. The timeless design, inspired by retro style, is enhanced by the black color, perfect for those who want to add personality and character to their daily look. Recommended for square and rectangular faces, thanks to their ability to soften the corners and create balance. Ideal for men and women.