6648 N.O.W. Titanium Eyeglasses by Lindberg. Color: C01, C02, C04, C06, C06G, C07, C08, C10, C11, C12, C14, C19, C20, C21, Size: 51-17-150. Born minimalist, 6648 embraces oval lenses within a barely-there titanium rim, epitomizing elegance in the n.o.w. Titanium range. The design embraces simplicity with a refined bridge that elevates the look. Comfort remains strategy—with spring hinges cushioning every gesture. A serene, refined frame for understated style.