5543 Thintanium Eyeglasses by Lindberg. Color: 05, 10, 20, 30, 60, 70, 75, 77, 80, 85, 90, 107, 113, 117, GT, U12, U13, U14, U15, Size: 52-17-140, Temple: Classic. The 5543 from LINDBERG's Thintanium collection presents a rounded version of classic eyeglasses in featherlight titanium, offering balance and softness. Its rimless lower edge enhances a barely-there aesthetic while providing a refined, polished presence. Adjustable nose pads and flexible temples ensure custom comfort all day long. Perfect for those who want minimalist impact with a touch of depth.