Vintage State of Hawaii Belt Buckle by Arroyo Grande Buckle Co. The buckle is made of solid Brass, it weighs 4 ounces and measures 3 3/8 x 2 3/16 inches. The buckle has been well cared for over the years, the metal is in excellent condition and there's a beautiful scene on both sides of the buckle. This belt buckle will make a wonderful addition to your belt buckle collection.