The Seiko 4N00-6304 is a watch model based on the 4N00 movement.
Parts List
| RE2A79J20A | crystal |
| RE2A79J20B | crystal |
| RE2A79J2 | crystal |
| 6M30B5NNG0 | crown - crown |
| 6M30B5NN | crown |
| 0H1800B01 | case back gasket - case back gasket |
| 0H1800B0 | case back gasket |
| 4072QG | band |
| 4072PG | band |
| 0351155 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 2CF055L0BDG | others - minute hand |
| 1CF035L0BDG | others - hour hand |