Montblanc Men's 54mm Ruthenium Sunglasses MB0189S-005-54 Collection Name: Fashion ; Lens Width: 54 mm ; Bridge Width: 20 mm; Arm Length: 145 mm ; Frame Color: Ruthenium ; Frame Material: Metal ; Frame Shape: Rectangular ; Lens Color: Solid Green ; Lens Protection: 100% UV Protection ; Polarization: Non-Polarized