Montblanc Semi-Rimless Eyeglasses MB485V 020 Size: 57mm Gunmetal/Navy Blue/Black 485 metal frame plastic lens non-polarized Lens width: 57 millimeters Lens height: 33 millimeters Bridge: 18 millimeters Arm: 145 millimeters Frame Color: Gunmetal/Navy Blue/Black Frame Material: Metal/Plastic Lens Color: N/A Size: 57-18-145 Made in Italy