The Seiko 4N01-0040 is a watch model based on the 4N01 movement.
Parts List
| 180W63HK01 | crystal |
| 30M91NN1 | crown |
| 0H1700B01 | case back gasket - bezel gasket |
| 0F160BAA5 | case back gasket - case back gasket |
| MK03E | band - leather band |
| 3BA075F1BNG | others - second hand |
| 07SC43NG | others - second hand |
| A130AS | others - push pin (for lb) |
| 4N01004098 | others - case |
| 4N010120XS14 | others - dial |
| 4N0161 | others - machine code |
| 82343331 | others - bezel |
| 82840890 | others - case ring |
| 0351156 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 07T81DGH | others - hour hand |
| 07T81DGM | others - minute hand |