Serengeti Drivers Polarized Sunglasses Lens Review。This listing is for authentic Serengeti Drivers 6204K Brown Marble Frame Rose Gradient Driver Mineral Glass Corning Optics Lens Butterfly Sunglasses w/ Case Japan 57-16-131 ULTRA RARE. Sunglasses are in fair pre-owned condition, both lenses have scratches and left stem has bolt hinge repair (see photos). Size: 57-16-131. Handmade in Japan. Serengeti black case included in listing. Please see pictures to make your complete condition assessment. STYLE. SUBSTANCE. SERENGETI. THERE\'S A LOT MORE TO SERENGETI THAN MEETS THE EYE. The unsurpassed, patented technology in every lens gives you sharp, crystal-clear vision. Our lenses also filter out the damaging rays that create strain and fatigue and can permanently damage the eye. With Serengeti, it\'s a better world. And you\'re in the driver\'s seat. Your eyes have never had it so good.