Calvin Klein eye glasses eyeglasses frames CK 262 542 52-20-140 authentic

Product Name: Calvin Klein eye glasses eyeglasses frames CK 262 542 52-20-140 authentic
Size: 52-20-140 Model: 262 Color: 542 Lenses are prescription and the strength is unknown. This frame is preowned. Minor wear to be expected. The eyeglass numbers are usually written as: xx-xx-xxx or they might have small boxes between the numbers on the eyeglass frame. 1. The first number in the eyeglass size is the authentic distance across one lens of the eyeglass frame ( does not include the frame) 2.The second number in the eyeglass size is the distance across the bridge on the eyeglass frame. 3.The third number in the eyeglass size is the length of the temple(arm piece) from the front of the eyeglass frame to the end of the temple, which goes behind the ear.