Masunaga Tona | Eyeglasses Safety Goggles Iridium is 100% designed and

Iridium is 100% designed and manufactured in Berlin

or air conditioning

Specializing in 100% titanium frames

Made with 18-karat gold and palladium plating

Masunaga Tona | Eyeglasses Safety Goggles Iridium is 100% designed andGender: Unisex Frame Material: Acetate Temple Material: Titanium Frame Size: 50mm Nose Bridge: 21mm Temple Length: 145mm Masunaga since 1905 Handmade in Japan Masunaga Optical was the founder of the optical industry in Fukui, Japan in 1905. Meticulous craftsmanship is evident in the countless steps of the manufacturing process. Masunaga does not rush the process. No shortcuts are taken, no compromises are made in the creation of each MASUNAGA frame.