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

Gloss black acetate frames and arms with large integral Gucci logos

Polished 24kt gold plated frames and arms

Polished silver over matte charcoal black metal frames

Satin antique silver metal frames with polished tortoise brown front edges

B.O.I.C.LONDON LINE (SAVILE ROW) ENGLAND Fairway Round 48x22mm FRAMES RX Optical Acetate & Wood A tachymeter is simply aB. O. I. C. LONDON LINE (SAVILE ROW) Full Rim Frames 100% Authentic FAIRWAY ROUND 48mm Shiny 14KT gold filled metal frames and arms with gloss transparent acetate end covers Handmade in London at Algha Works, these frames are a real piece of history Since production started in London in 1932 many famous faces have worn Savile Row Round Frames such as John Lennon and Eric Clapton Adjustable nose pads for comfort fit Brand new Never been worn Lens Width