Enhanced by the Double G detail, the Guilloché enameled oval on top of the bridge is reminiscent of the round cigarette-holder from vintage aviators. The navigator sunglasses are presented in black acetate with grey shaded lens and ruthenium metal details. Black acetate and ruthenium metal frame with guilloché enameled oval with Double G;Ruthenium metal temples with black acetate tips. Grey shaded lens. 100% UVA/UVB protection. GG0478S. Frame height: 2.5 Frame width: 5.5. Made in Japan. Glasses arrive in a velvet hard case, available in a range of six jewel-toned colors and paired with a coordinating satin lining. The case color selection will be individually selected for each pair of glasses.