The Seiko 4N00-5801 is a watch model based on the 4N00 movement.
Parts List
| REEN35JN01 | crystal |
| REEN35JN | crystal |
| 6M30Z3NNGB | crown |
| 6M30Z3NN | crown |
| 0H1800B01 | case back gasket - case back gasket |
| 0H1800B0 | case back gasket |
| 4EG1KB | band - band |
| 82843110 | others - case ring |
| 4N00580125A | others - case |
| 4N005801 | others - case back |
| 4N002361XS19 | others - dial |
| 4N0061 | others - machine code |
| A130BS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 2CH057A1BNB | others - minute hand |
| 1CH037A1BNB | others - hour hand |