Silver Horse/Horseshoe clock

I just bought this at a thrift store. It is etched silver? The little clock says
movement Japan. It is attached to the wooden base so if it has any markings I can't see them. It is about 6 inches wide by 4 inches tall. I have no idea what metal it really is but it sure is cute in person and has a very nice etched design. Any help or ideas about what it is? Thank you very much.