1977 Seiko 4004: A 43 Year Old Quartz | WatchUSeek Watch Forums
1977 Seiko 4004: A 43 Year Old Quartz | WatchUSeek Watch Forums
SEIKO 4004 SQ 0903A QUARTZ 1975
Help needed Seiko 4004 [4004] [0903-8159]. Friend of mine personally bought in 1977. Intermittently runs after new battery. Searching for a video of movement breakdown and cleaning. : r/Seiko