I saw this film in the late 1970s. It was called "Goyekin - The Emperor's Gold". As I watched our guilt-ridden hero return to fulfill his promise, really a threat, to punish his family if they repeated their crime. I still see the image of him striding along the beach with a conical hat pulled low. The shadow on his face made his eyes glow under the hat and the shot was taken with a telephoto through wispy beach grass. Completely memorable. Then the scene in the forest with the horsemen riding through. It looked like an ancient Japanese painting with hazy colors and an other-worldliness that was amazing. Then the concluding duel in the snow. Two brilliantly attired samurai dueling in a pure white, glistening environment. So many great images from one film!
The film itself is a pretty typical revenge film with some twists. When Tom Laughlin tried to redo it as a Mexican western,"The Master Gunfighter", it just fell flat. But the samurai movie has an entertaining plot and good action characters with beautiful settings. I think this film is a special case of cinematographic excellence. See it and enjoy the beauty.
