The Seiko 4N20-0740 is a watch model based on the 4N20 movement.
Parts List
| 170A19SN02 | crystal |
| 6M30B3NDG0 | crown |
| 6M30B3NDW0 | crown |
| 0F150BAA5 | case back gasket - case back gasket |
| 0H1600B01 | case back gasket - case back gasket |
| MK19G | band - leather band |
| MK20G | band - leather band |
| 1CB047LABDG | others - hour hand |
| 0351155 | others - winding stem |
| 82841070 | others - case ring |
| 4N200740 | others - case back |
| 4N20074076 | others - case |
| 4N2007407E | others - case |
| 4N201260XB14 | others - dial |
| 4N201260XS14 | others - dial |
| 4N2061 | others - machine code |
| 81116579 | others - pipe |
| A110AS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |
| 2CB070LABDG | others - minute hand |