Handcrafted in Fukui, Japan by Masunaga Optical — founded in 1905 and one of the oldest continuously operating eyewear makers in the world. Every frame is shaped, polished, and finished by artisans who train for years before their work leaves the workshop.
Part of the Genuine Masunaga Series (GMS) — Masunaga's signature line, pairing the house's hallmark Fukui craftsmanship with contemporary proportions.
The GMS-831 is an optical frame manufactured and assembled entirely in Japan.
Material Premium cellulose acetate, hand-polished to a deep, even lustre.
Measurements 46—20—145
Handcrafted in Fukui, Japan
Available at Visionary Optics in NYC with same-day prescription lenses through our in-house ZEISS lab.
Important: You are submitting an appointment request only — this is not a confirmed booking. Our team will contact you to confirm your appointment date and time.
