Masunaga Master of Craft 003-A

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Color: Rose gold-plated titanium paired with burgundy acetate accents
Size: 49–22–145 B = 46.8 mm ED = 49 mm
Material: Titanium and acetate frame, 5 μm gold plating, 10 mm acetate inner rim, 2-base mineral glass lenses, sterling silver medallion

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The MOC‑003 A features Masunaga’s iconic round shape, with a luxurious rose gold-plated titanium frame contrasted by deep burgundy acetate details. The 10 mm acetate inner rim adds depth and texture around the lenses, while the rich burgundy accents bring warmth and a crafted feel. Sporting 2‑base mineral glass sun lenses and a sterling‑silver “Masters of Craft” medallion at the temple, this limited edition piece combines elegant design with meticulous Japanese craftsmanship.

All sizing is listed in millimetres (mm) and follows the same convention.

The first number is the A measurement, or the widest width of the lens, regardless of the plastic or metal around it. It’s strictly the lens.

The second number is the smallest distance between lenses, or DBL. This is commonly referred to as the bridge.

The last number is the length of the temple itself. Extra measurements given are the B measurement, which measures the largest vertical depth of the frame and the ED, or effective diameter, which measures the widest straight line you can make on the frame. Oftentimes this is the same as the A measurement. Like the A measurement, both the B and ED are strictly measurements of the lens and not the plastic or metal surrounding the frame. 

For example,

54-18-135, B=38, ED=56

- This frame’s widest horizontal measurement is 54 mm.

- The bridge is 18 mm and the temple length is 135 mm.

- The deepest portion of the lens is 38 mm

- The widest straight line you can make on it is 56 mm