6651 N.O.W. Titanium Eyeglasses by Lindberg. Color: C01, C02, C04, C06, C06G, C07, C08, C10, C11, C12, C14, C19, C20, C21, Size: 53-18-150. Eyeglasses 6651 stand out in the n.o.w. Titanium collection with their sophisticated squared-round lens shape, marrying soft curves and crisp edges. Titanium ensures it feels like nothing but looks effortlessly polished. Adjustable nose pads and flexible springs deliver a flush, secure fit. It’s a thoughtful balance of style and substance in a refined package.