49-19-140. A mid-sized rectangular shaped frame with a small keyhole detail that features lightweight gold-plated titanium temples. The frame's distinct look can only be achieved through sculpting solid blocks of titanium. 100% pure titanium plated in 12k silver or 18k gold combined with matching titanium temples and a hidden spring hinge. Polarized CR-39 sun lens with a hydrophobic coating and a proprietary 12 layer anti-reflective UGR12™ coating, 99.9% distortion free, carry 100% UVA/UVB protection, block eye-fatiguing blue light, and are coated with Diamond Cast™ anti-scratch coating. Individually numbered and handmade in Japan from the world’s finest artisanal craftsmen.