Vintage brass-tone belt buckle commemorating the Komatsu Obayashi Silicon Wafer Plant Project in Hillsboro, Oregon, spanning 1996-1998. This collectible piece celebrates ‘Over One Million Safe Hours’ and features detailed relief imagery of heavy construction machinery, including a bulldozer and a cement mixer, alongside an architectural rendering of the plant. The oval-shaped buckle has a rugged, industrial aesthetic with a textured background and bold lettering, making it a unique piece of construction and safety history. Perfect for collectors of industrial memorabilia or those with a connection to the Oregon semiconductor industry.