The Origin
明治時代のフレーム
Everything started with this one. It marks the origin of MASUNAGA and our enduring spirit of craftsmanship.
The Royal
天皇陛下献上品
An honored model originally presented as an offering during Emperor Showa’s imperial visit—the origin of the GMS series.
Custom 72
カスタム72
A historic model sealed in a time capsule at Expo ’70 as a cultural legacy for 5,000 years into the future. The original design that gave rise to the enduring Koki series.
TOKI
トキ
A brand that embodies the philosophy of “TIME-LESS” — transcending time, place, and dimension. Foundational products that paved the way for the Full Metal series.
GMS-144M
ジーエムエス144M
A centennial model that represents a pinnacle of history — the world’s first to join 18K gold and titanium directly into a single frame.
Mokko
モッコ
Created in collaboration with Kenzo Takada, an extraordinary creation where traditional crafts, architecture, and a multitude of aesthetics come together in harmony.
COCO/NY LIFE
ココ / ニューヨーク ライフ
Crafted through advanced titanium processing, this full-titanium model embodies the “less is more” philosophy—its design echoing the refined detailing of a luxury timepiece.
Chord C
コード シー
Inspired by harmony, this top-selling MASUNAGA model is a quiet symphony of precision and elegance—crafted with intention and beauty in every detail.
KOKI One Hundred
光輝 ワン・ハンドレッド
The 100th expression of the “Koki” series — a culmination of over ten years of refinement. Carrying the DNA of “Custom72”, this model speaks to timeless truths and the evolution toward universality.
MASUNAGA MOC —true to the name “MASTERS OF CRAFT” — embodies a pursuit of the world’s finest craftsmanship, distilled into the art of eyewear.
