The Seiko 7N42-9089 is a watch model based on the 7N42 movement.
Parts List
| 300P03JN03 | crystal - crystal |
| 8M45B1SNW0 | crown - crown |
| FE308BAA1 | case back gasket - case back gasket |
| 8662 0995 | crystal gasket |
| 86620995 | crystal gasket - plastic gasket for crystal |
| 86621010 | bezel gasket - plastic gasket for bezel |
| AD006BAA1 | pusher - button gasket |
| 4721JZ | band - band |
| 4721ZZ | band - metal band |
| 1AB080AGBNS | others - hour hand |
| 2BB120AEBNS | others - minute hand |
| 3AX135F0AFR | others - second hand |
| 0351892 | others - winding stem |
| 82851310 | others - case ring |
| 0878587 | others - date dial |
| 7N423 | others - machine code |
| 7N429211XB13 | others - dial |
| A200BS | others - push pin |
| 82313339 | others - bezel |
| 7N42908961B | others - case |
| 7N429089 | others - case back |