Montblanc Mb 0409O Optical Frame pairs a square acetate silhouette with gold and black accents for a refined everyday eyewear option. Designed for prescription or non-prescription wear, it balances classic style with subtle luxury. Key attributes: Black | Gold | Transparent | Acetate | Compatible with prescription lenses | Includes protective case | Square frame | Full rim | Gold-accent temples | Dimensions & fit: Lens width: 52 mm | Bridge: 19 mm | Temple length: 145 mm | Lens height: 38 mm | Composition & care: Acetate Colour: black