The Kirikane (截金 or 切金) technique has been used for this statue. This tehcnique is a traditional Japanese decorative technique used for Buddhist statues. It uses gold leaf, silver leaf, or platinum leaf cut into lines, diamonds, and triangles, resulting in a both delicate and splendid appearance of the Buddhist statue.
This Buddha statue's aura in the back has a unique, streamline design, which was inspired by the kurin (九輪), the nine vertically stacked rings on a Buddhist pagoda finial.