47-21-140. A small round frame with a keyhole bridge, blending a classic scholarly look with contemporary style. 100% pure titanium plated in 12k silver or 18k gold combined with Japanese cotton-based acetate temple tips and a hidden spring hinge. Intricate enamel and laser technologies were used to create state of the art details on a classically inspired shape. Individually numbered and handmade in Japan from the world's finest artisanal craftsmen.