The Koa Stonewashed Process

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The Koa Stonewashed Process

VIDEO DETAILS

Published on: 1524095078

Duration: 00:00:17

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.

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.
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.

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.

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