6641 N.O.W. Titanium Eyeglasses by Lindberg. Color: C01, C02, C04, C06, C06G, C07, C08, C10, C11, C12, C14, C19, C20, C21, Size: 50-22-150. Designed by LINDBERG, the 6641 brings a gentle cat-eye lift to its titanium framework, giving off vintage femininity with modern balance. The shape is soft yet distinct, hovering lightly around the face. Flexible hinges ensure motion and comfort with each wear. A frame that feels composed and poised.