U-153 type: Gertrud col.02 / Copper, Brown
Frame width: 130mm
Frame height: 43mm
Lens width: 47mm
Lens height: 41mm
Bridge width: 21mm
Temple length: 145mm
【YUICHI TOYAMA】
Designer Toyama Yuichi
Brand concept: "Traditional technology and innovative design"
The frame, designed based on the five routines Toyama has imposed on him (see, think, draw, make, break), is original, yet has received high praise both domestically and internationally as a product that aligns with the everyday life of users.