The Seiko 7N42-8089 is a watch model based on the 7N42 movement.
Parts List
| 290P03LN03 | crystal - crystal |
| 8M40A0NNG3 | crown - crown |
| 8M40A0NNG0 | crown |
| FE308BAA1 | case back gasket - case back gasket |
| 86580835 | crystal gasket - plastic gasket for crystal |
| 86561970 | bezel gasket - plastic gasket for bezel |
| 4F60YZ | band - band |
| 4F63YZ | band - leather band |
| LOCAL | band - band |
| 4GZ8YW | band - leather band |
| 2AB120A1BNG | others - minute hand |
| 1AB080A1BNG | others - hour hand |
| 3AA125F3ANG | others - second hand |
| 0351892 | others - winding stem |
| 82851310 | others - case ring |
| 82292031 | others - bezel |
| 7N42808998A | others - case |
| 7N428089 | others - case back |
| 7N42808998B | others - case |
| 7N42808998C | others - case |
| 7N42808998D | others - case |
| 7N42808998E | others - case |
| 7N42808998G | others - case |
| 7N42808998H | others - case |
| 7N42808998K | others - case |
| 7N42808998L | others - case |
| 7N42808998N | others - case |
| 7N42808998P | others - case |
| 0878580 | others - date dial |
| 7N423 | others - machine code |
| 7N428181XE14 | others - dial |
| 7N428181XS14 | others - dial |
| A180BS | others - push pin |
| AD006BA12 | others - crown gasket |