5005A & 5018A Service Guide (Japanese)
Movement references: 50A, 5002A, 5002B, 5002C, 5005A, 5005C, 5006A, 5006C, 5018A.
Service Manual in Japanese found at: seiichi-mamoru.jpn.org
Movement references: 50A, 5002A, 5002B, 5002C, 5005A, 5005C, 5006A, 5006C, 5018A.
Service Manual in Japanese found at: seiichi-mamoru.jpn.org