The Seiko 7N42-0EN0 is a watch model based on the 7N42 movement.
Parts List
| 300A03JN02 | crystal - crystal |
| 8K45D2SNW1 | crown - crown |
| 8K45D2SNG2 | crown - crown (3h) |
| 0F280BA1S | case back gasket - case back gasket |
| 4A881LM-LK | band - link |
| 4A881JM | band - metal band |
| 4A881JM-LK | band - link |
| 4A881KMLK | band - link |
| 4A881LM | band - metal band |
| 4A881KM | band - metal band |
| H00S14SE04T | clasp - clasp |
| 4A881LM-BK | clasp - clasp |
| 4A881JM-PB | clasp - parts for buckle/clasp |
| 4A881JM-BK | clasp - clasp |
| 4A881LM-PB | clasp - parts for buckle/clasp |
| 1AA085L0BE1 | hand - hour hand |
| 1AA085L0BE2 | hand - hour hand |
| 2BA130LABE2 | hand - minute hand |
| 2BA130LABES | hand - minute hand |
| 3AA125F0ANG | others - second hand |
| 3AA125F0ANS | others - second hand |
| AD006BAD1 | others - crown and stem gasket |
| 81190075 | others - bracelet fixing pipe |
| 81611219 | others - bracelet fixing pin |
| 82736540 | others - case ring |
| 0878580 | others - date dial |
| 0878587 | others - date dial |
| 0351892 | others - winding stem |
| 7N420EN0 | others - case back |
| 7N420EN001A | others - case |
| 7N420EN001B | others - case |
| 7N420EN002A | others - case |
| 7N420EN002B | others - case |
| 7N420EN003A | others - case |
| 7N420EN003B | others - case |
| 7N420EN004A | others - case |
| 7N420EN004B | others - case |
| 7N420EN005B | others - case |
| 7N420HE0XB13 | others - dial |
| 7N420HE0XS13 | others - dial |
| 7N420HE0XS24 | others - dial |
| 7N420HE8XB13 | others - dial |
| 7N420HE8XG14 | others - dial |
| 7N420HE8XL13 | others - dial |
| 7N420HE8XS13 | others - dial |
| 7N420HE8XS24 | others - dial |
| 7N423 | others - machine code |
| 4A881JM-EP | others - endpiece |
| 4A881LM-EP | others - endpiece |
| 4A881KMEP | others - endpiece |