The Seiko 7N42-0DJ0 is a watch model based on the 7N42 movement.
Parts List
| 280P02SN02 | crystal - crystal (sapphire) |
| 8K50ZMSNWB | crown - crown (3h) |
| FE298BAD2 | case back gasket - case back gasket |
| 86177922 | crystal gasket - plastic gasket for crystal |
| 86178900 | bezel gasket - plastic gasket for bezel |
| 34D6ZB | band - band |
| 34D6ZB-LK | band - link |
| 34D6ZB-BK | clasp - buckle |
| 34D6ZB-PB | clasp - parts for buckle |
| 3BA125F1BNS | others - second hand |
| 7N420DJ0 | others - case back |
| 7N420DJ001B | others - case |
| 0878587 | others - date dial |
| 85936069 | others - bezel |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 81190075 | others - bracelet fixing pipe |
| 81607719 | others - bracelet fixing pin |
| 82738200 | others - case ring |
| 7N420FN8XB15 | others - dial |
| 7N423 | others - machine code |
| 84380204 | others - dial ring |
| 1AE070LABDS | others - hour hand |
| 2AE100LABDS | others - minute hand |