Matsuda M3131 Optical Frame pairs artisanal precious-metal finishes with a lightweight titanium construction and a swinging saddle bridge for refined everyday wear. Key attributes: Brushed gold | Antique gold | Titanium | Lightweight titanium construction | Durable precious-metal finish | Swinging saddle bridge for added comfort | Acetate temple tips | Prescription-ready (can be fitted with corrective lenses) | Includes original case, cleaning cloth, certificate of authenticity and guarantee | Round silhouette | Swinging saddle bridge | Precious-metal finished temples | Intricate temple detailing | Dimensions & fit: Eye 45 mm | Bridge 24 mm | Temple 145 mm | Narrow fit | Composition & care: Titanium | Acetate