SILHOUETTE SPX 2931 75 5040 49mm Eyewear FRAMES RX Optical Glasses - New Austria Men A tachymeter is simply a

A tachymeter is simply a means of converting elapsed time in seconds per unit to units per hour

Gloss black over pattern acetate arms with gold Coach logos

Matte havana brown over matte grey rubber feel acetate frames and arms inlaid with HD logos

Matte black metal frames with black gradient acetate arms and matte rose gold metal hinges

SILHOUETTE SPX 2931 75 5040 49mm Eyewear FRAMES RX Optical Glasses - New Austria Men A tachymeter is simply aSILHOUETTE ILLUSION LITE Full Rim Frames 100% Authentic SPX 2931 75 5040 Matte transparent teal green acetate frames Satin pale gold titanium arms Matte green acetate arm end covers Brand new Never been worn Lens Width = 49mm Frame Height = 45mm Bridge = 18mm Temple (Arm Length) = 135mm Measures 128mm across the front, edge to edge SUPPLIED WITH AN ORIGINAL CASE AND PLAIN CLEANING CLOTH Clear plastic lenses fitted so just take to your local opticians