![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 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](https://preview.redd.it/l9lh23t520o61.jpg?auto=webp&s=3402bce68beb128e984aad97f9e2c6963b9f3fe2)
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
![VINTAGE SEIKO SQ 4004 Carré Cadran Noir Acier Quartz Gents Watch 4633-5019 #816 EUR 46,36 - PicClick FR VINTAGE SEIKO SQ 4004 Carré Cadran Noir Acier Quartz Gents Watch 4633-5019 #816 EUR 46,36 - PicClick FR](https://www.picclickimg.com/nWEAAOSwOERfx~Tx/Vintage-SEIKO-SQ-4004-Carre-Cadran-Noir-Acier.jpg)
VINTAGE SEIKO SQ 4004 Carré Cadran Noir Acier Quartz Gents Watch 4633-5019 #816 EUR 46,36 - PicClick FR
![Inherited this vintage Seiko 4004. Does anyone know the year or history of this watch? Been searching online with no luck. : r/Seiko Inherited this vintage Seiko 4004. Does anyone know the year or history of this watch? Been searching online with no luck. : r/Seiko](https://preview.redd.it/r9p7dhjhuq621.jpg?auto=webp&s=264c771bc4ef2ac6ccd324900f7ce28e58b97874)