The Seiko W670-4020 is a watch model based on the W670 movement.
Parts List
| SA0P35L30A | crystal - crystal |
| SA0P35L30B | crystal - crystal |
| SA0P35L30C | crystal - crystal |
| 0F290BAA3 | case back gasket - case back gasket |
| 86640430 | crystal gasket - plastic gasket for crystal |
| 80710975 | pusher - button (4h) |
| 80710971 | pusher - button |
| 80710979 | pusher - button |
| 80631955 | pusher - button |
| 80631959 | pusher - button |
| 80631957 | pusher - button |
| 80710951 | pusher - button |
| 80710954 | pusher - button |
| 71E0WZ-LK4 | band - link |
| 71E1YZ-LK4 | band - link |
| 71E1ZZ-LK2 | band - link |
| 71E0WZ | band - band |
| 71E1YZ | band - band |
| 71E1ZZ | band - band |
| 71E1ZZ-BKB | clasp - buckle |
| 71E1ZZ-PB1 | clasp - parts for buckle |
| 71E1YZ-BKJ | clasp - buckle |
| 71E1YZ-PB1 | clasp - parts for buckle |
| 71E0WZ-BKJ | clasp - buckle |
| 71E0WZ-PB1 | clasp - parts for buckle |
| 71E0WZ-EP4 | others - endpiece |
| W6704020WEA | others - case |
| W67040207SA | others - case |
| 82838750 | others - case ring |
| W670402079A | others - case |
| A180BS | others - push pin |
| W67050 | others - machine code |
| 71E1ZZ-EP2 | others - endpiece |
| 71E1YZ-EP4 | others - endpiece |
| 83200273 | others - button spring clip |
| AD006BA11 | others - crown and stem gasket |
| 81358059 | others - button spring |
| 81351639 | others - button spring |
Other models with the same movement