The Seiko 7N42-8150 is a watch model based on the 7N42 movement.
Parts List
| 290P02SN05 | crystal - crystal |
| 8K45A3SNW0 | crown - crown |
| 8K45A3SNG0 | crown - crown |
| FE308BAA1 | case back gasket - case back gasket |
| 86620310 | crystal gasket - plastic gasket for crystal |
| 86620315 | crystal gasket - plastic gasket for crystal |
| 86565321 | crystal gasket - plastic gasket for crystal |
| 86565320 | crystal gasket - plastic gasket for crystal |
| 86179271 | bezel gasket - plastic gasket for bezel |
| 86620430 | bezel gasket - plastic gasket for bezel |
| AD006BAA1 | pusher - button gasket |
| 44Y8JG | band - band |
| 44Y8JG-LK3 | band - link |
| 44Y8JG-BKF | clasp - buckle |
| 44Y8JG-PB1 | clasp - parts for buckle |
| 3AX125F3AST | others - second hand |
| 2AX120FBBSG | others - minute hand |
| 2AX120FBBSS | others - minute hand |
| 1AX080FKBSG | others - hour hand |
| 1AX080FKBSS | others - hour hand |
| 3AX125F3ASW | others - second hand |
| 0351892 | others - winding stem |
| 82851310 | others - case ring |
| 7N42815061A | others - case |
| 82293759 | others - bezel |
| 7N428150 | others - case back |
| 7N42815061B | others - case |
| 7N4281506YA | others - case |
| 82293755 | others - bezel |
| 7N4281506YB | others - case |
| 0878580 | others - date dial |
| 7N423 | others - machine code |
| 7N428271XB13 | others - dial |
| 7N428271XL14 | others - dial |
| 7N428271XR13 | others - dial |
| 7N428271XS13 | others - dial |
| 7N428271XS14 | others - dial |
| A180BS | others - push pin |
| 3AX125F3ASS | others - second hand |