The Seiko 7N42-0ED0 is a watch model based on the 7N42 movement.
Parts List
| 310P02SN02 | crystal - crystal (sapphire) |
| 8K45B3SNG2 | crown - crown |
| 8K45B3SNS0 | crown - crown |
| FE318BAD2 | case back gasket - case back gasket |
| 86179152 | crystal gasket - plastic gasket for crystal |
| 86565100 | crystal gasket - plastic gasket for crystal |
| 86579500 | bezel gasket - plastic gasket for bezel |
| 4A9X1KM-LK | band - link |
| 4LR1JE | band - leather band |
| 4A9X1JM | band - metal band |
| 4A9X1JM-LK | band - link |
| 4A9X1KM | band - metal band |
| 4LR1PE | band - leather band |
| 4LR1PE-BK | clasp - clasp |
| 4LR1PE-PB | clasp - parts for buckle/clasp |
| 4A9X1KM-BK | clasp - clasp |
| 4A9X1JM-PB | clasp - parts for buckle/clasp |
| 4A9X1JM-BK | clasp - clasp |
| 4LR1JE-BK | clasp - clasp |
| 4LR1JE-PB | clasp - parts for buckle/clasp |
| 4A9X1KM-PB | clasp - parts for buckle/clasp |
| 1AA085L0BE1 | hand - hour hand |
| 1AA085L0BE2 | hand - hour hand |
| 2BA130LABE2 | hand - minute hand |
| 2BA130LABES | hand - minute hand |
| 1BA087L0BES | others - hour hand |
| 2BA130L0BES | others - minute hand |
| 3AA135F0ANS | others - second hand |
| 3AA135F0ANG | others - hand |
| 0351892 | others - winding stem |
| AD006BAD1 | others - crown and stem gasket |
| 0878580 | others - date dial |
| 0878587 | others - date dial |
| 7N420ED0 | others - case back |
| 7N420ED001A | others - case |
| 7N420ED001B | others - case |
| 7N420ED002A | others - case |
| 7N420ED002B | others - case |
| 7N420ED003A | others - case |
| 7N420ED003B | others - case |
| 7N420GT0XB13 | others - dial |
| 7N420GT0XG14 | others - dial |
| 7N420GT0XS13 | others - dial |
| 7N420GT0XS24 | others - dial |
| 7N420GT8XB13 | others - dial |
| 7N420GT8XG14 | others - dial |
| 7N420GT8XS13 | others - dial |
| 7N420GT8XS24 | others - dial |
| 7N420GV8XS13 | others - dial |
| 7N420HX8XB13 | others - dial |
| 7N420HX8XS13 | others - dial |
| 7N423 | others - machine code |
| 87334301 | others - bezel |
| 87334309 | others - bezel |
| 87334329 | others - bezel |
| S200CS | others - push pin |
| 4A9X1JM-EP | others - endpiece |
| 82736540 | others - case ring |
| 4A9X1KM-EP | others - endpiece |