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[The Pinnacle of Material Science] Cross Roads by Sanko Kogaku - GUMMETAL 012
Discover the extraordinary comfort of GUMMETAL, a revolutionary titanium alloy developed by Sanko Kogaku in collaboration with Toyota Central R&D Labs. This "Cross Roads" series focuses on pure ergonomic functionality and extreme durability, offering a fit that no ordinary titanium frame can match.
🔍 Product Highlights
The Magic of GUMMETAL: This high-performance alloy possesses the flexibility of rubber combined with the strength of metal. It remembers your facial contours and provides a "pressure-free" experience, wrapping around your head with incredible elasticity.
Featherweight 7g Design: Weighing only approx. 7g (excluding lenses), this is a true ultralight frame. It is engineered to minimize fatigue during long working hours, driving, or intense daily activities.
Sanko Kogaku Heritage: Established in 1923 in Sabae, Japan, Sanko Kogaku is legendary for its obsession with new materials. The "S.S" logo on the temple signifies their proud craftsmanship.
Rare Vintage Find: Model 012 is a discontinued vintage piece, nearly impossible to find in the current market. Its clean, professional square silhouette is perfect for a minimalist and intellectual look.
📏 Specifications & Size (Unisex)
Brand: Cross Roads (by Sanko Kogaku, Japan)
Model: 012
Material: GUMMETAL (Advanced Super-Elastic Titanium Alloy)
Origin: MADE IN JAPAN (Sabae)
Imported from: JAPAN
Weight: Approx. 7g (Ultralight)
Markings: 48 □ 19 - 138
Lens Width: 48mm / Bridge: 19mm / Temple: 138mm
✨ Condition Report (Please Read)
Condition: Vintage / Functional Grade.
This is a genuine vintage piece from the mid-2000s. There is distinct peeling of the plating and coating throughout the frame due to age.
Functionally Perfect: Despite the cosmetic wear, the GUMMETAL material retains its original elasticity and shape-memory properties. The hinges move smoothly, and the structural integrity is as good as new. Professionally cleaned and ready for lens installation.
Black
Vintage
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