The Seiko 4N21-1150 is a watch model based on the 4N21 movement.
Parts List
| 190A09JN02 | crystal - crystal |
| 6K30A1SNG0 | crown |
| 0F175BAA1 | case back gasket |
| AC004BAA1 | case back gasket - crown and stem gasket |
| DAP2BW | band - band |
| WBB7BW | band - band |
| 1BC047A1BAA | others - hour hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F0BNG | others - second hand |
| A120BS | others - push pin (for lb) |
| 4N210AD0XG14 | others - dial |
| 4N212720XS19 | others - dial |
| 4N212900XG14 | others - dial |
| 4N2165 | others - machine code |
| 1BA050A1BAA | others - hour hand |
| 0351155 | others - winding stem |
| 4N21115075B | others - case |
| 4N211150 | others - case back |
| 4N21115075D | others - case |
| 82833515 | others - case ring |
| 4N21115075A | others - case |
| 0351157 | others - winding stem |
| 2BA075A1BAA | others - minute hand |
| 2BC075A1BAA | others - minute hand |