The M3137 is a technical star of technicality featuring ribbed titanium side shields with elegant “stained glass” decor and temples masterfully combining Japanese Acetate and precious metal, all of which are united with a tried and true round lens shape.

Titanium construction
Ribbed sideshields
“Stained glass” lacquer
Made in Japan

Lens width: 51mm
Bridge width: 21mm
Temple length: 145mm