The Seiko 1N00-6N20 is a watch model based on the 1N00 movement.
Parts List
| RE5A57JN02 | crystal - crystal |
| 6M35E7SNG0 | crown - crown |
| 6M35E7SNW0 | crown - crown |
| 0F170BA1S | case back gasket - case back gasket |
| 48C1AB | band - band |
| 48C1YB | band - band |
| 48C1ZB | band - band |
| 48C1BB | band - band |
| 48C1AB-LK3 | band - link |
| 48C1BB-LK3 | band - link |
| 48C1YB-LK3 | band - link |
| 48C1ZB-LK3 | band - link |
| 48C1AB-BKI | clasp - buckle |
| 48C1YB-BK1 | clasp - buckle |
| 48C1BB-BKI | clasp - buckle |
| 48C1YB-BKI | clasp - buckle |
| 48C1YB-PB2 | clasp - parts for buckle |
| 48C1ZB-BKI | clasp - buckle |
| 48C1ZB-PB2 | clasp - parts for buckle |
| 48C1ZB-BK1 | clasp - buckle |
| 48C1AB-BK1 | clasp - buckle |
| 1DE040LABDG | others - hour hand |
| 1DE040LABDS | others - hour hand |
| 2DE055LABDG | others - minute hand |
| 2DE055LABDS | others - minute hand |
| 1DE035LBBDG | others - hour hand |
| 2DE052LABDG | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81190875 | others - bracelet fixing pipe |
| 1N006N2001A | others - case |
| 82841620 | others - case ring |
| 1N006N20 | others - case back |
| 1N000AR8XB14 | others - dial |
| 1N000EY8XG15 | others - dial |
| 1N004 | others - machine code |
| 1N005F10XB13 | others - dial |
| 1N005F10XG14 | others - dial |
| 1N005F18XB13 | others - dial |
| 1N005F18XG14 | others - dial |
| 1N006N2002A | others - case |
| 1N006N2001B | others - case |
| DZ0040B01 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 1N006N2002B | others - case |
Caliber 1N00
