Founded in Fukui, Japan in 1905, Masunaga has set the gold standard for artisanal eyewear for over a century. Every pair is handcrafted in-house from start to finish, taking approximately six months to complete through more than 200 meticulous steps. With 150 skilled craftsmen working in harmony, no shortcuts are ever taken—only pure precision, dedication, and mastery. The result is eyewear that blends timeless Japanese elegance with uncompromising quality, made to be treasured for a lifetime.