The Seiko 4N01-0380 is a watch model based on the 4N01 movement.
Parts List
| 190P01SN03 | crystal |
| 6M35B1NNG1 | crown |
| 0F140BAA3 | case back gasket - case back gasket |
| 86173930 | crystal gasket - plastic gasket for crystal |
| ZB36A | band - metal band |
| ZB37A | band - metal band |
| 3BA075F1BNG | others - second hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 06T35NGH | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81181459 | others - bracelet fixing pipe |
| 81606459 | others - bracelet fixing pin |
| 82841570 | others - case ring |
| 4N010380 | others - case back |
| 4N01038061 | others - case |
| 4N01038076 | others - case |
| 4N010720XG14 | others - dial |
| 4N010720XS14 | others - dial |
| 4N0161 | others - machine code |
| 84310095 | others - dial ring |
| 84310096 | others - dial ring |
| 84310111 | others - dial ring |
| 06T35NGM | others - minute hand |