Pre-war, Showa 7, April 29th. This is a marble mantel clock with a trademark indicating recognition from Ibaraki Prefecture. It's a very rare, old spring-driven clock. I've confirmed its operation, and it keeps time fairly accurately over several days. It's amazing that a 93-year-old clock still works. There are two missing parts on the bottom, but it doesn't seem to be a major issue. If you understand the condition of this marble mantel clock, please consider it. Weight: 3.7 kg