The Seiko 4N01-0220 is a watch model based on the 4N01 movement.
Parts List
| 190WB3HK01 | crystal |
| 30M91NA1 | crown |
| 30M91NS1 | crown |
| 0F160BAA5 | case back gasket - case back gasket |
| HB57A | band - metal band |
| MK57E | band - leather band |
| MK58E | band - leather band |
| MK59E | band - leather band |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 07SC17NG | others - second hand |
| 07SC17NS | others - second hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351156 | others - winding stem |
| 4N01022075 | others - case |
| 4N0102207E | others - case |
| 4N010380XB13 | others - dial |
| 4N010380XS14 | others - dial |
| 4N010390XS14 | others - dial |
| 4N010390XS33 | others - dial |
| 4N0161 | others - machine code |
| 82843270 | others - case ring |
| A140BS | others - push pin |
| 07T89NGH | others - hour hand |
| 07T89NGM | others - minute hand |
| 07T89NSH | others - hour hand |
| 07T89NSM | others - minute hand |
| 08T79DGH | others - hour hand |
| 08T79DGM | others - minute hand |
| 08T79DSH | others - hour hand |
| 08T79DSM | others - minute hand |
| 2BA075FEBNS | others - minute hand |