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Inspired by Hawaiian nobility.
Designed to enhance yours.

Koa’s inherent properties naturally elevate, embolden, and inspire all those who come into contact with it. In the Hawaiian language, “Koa” means fearless, and Original Grain has crafted the new Koa collection to capture the essence of that same spirit of brave nobility.

To honor this noble timber, we’ve paired it with a rustic, stone-washed metal that can only be described as subtly spectacular. With a rich, pure finish that’s entirely unique on each timepiece, it’s the perfect complement to the majestic Koa wood.

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Pioneering a new path for watchmakers, Original Grain has mastered an intricate stonewashing process to bring the most character and durability out of the unique, alloy-rich metal used in our select watches...READ MORE

This meticulous technique first involves applying an acid treatment to darken the metal, which - due to its unique composition - displays the effects quite differently than traditional 316L steel would. This acid oxidation also provides another benefit: enhancing the metal’s rust resistance.

The acid-soaked metal is then vigorously tumbled against ceramic stones, an aggressive, abrasive process that ensures a one-of-a-kind pattern on each cut.

The end result is a remarkably distinct, roughened finish that easily hides scratches and fingerprints, requires low maintenance, and preserves its rugged, distinguished, and entirely original look for decades

Rich hues.
Rustic metal.
Know nobility.

The Acacia Koa is truly the monarch of the Hawaiian forest, often reaching heights of 100 feet. Koa wood boasts a brilliant sheen and a remarkable variety of grains, stripes, and colors.

The Acacia Koa is truly the monarch of the Hawaiian forest, often reaching heights of 100 feet. Koa wood boasts a brilliant sheen and a remarkable variety of grains, stripes, and colors.

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A fearless spirit.
A brilliant finish.

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