The Seiko 4N00-6318 is a watch model based on the 4N00 movement.
Parts List
| RE2A77JN02 | crystal |
| RE2A77JN | crystal |
| 6M30B5NNG0 | crown - crown |
| 6M30B5NN | crown |
| 0H1700B01 | case back gasket - bezel gasket |
| 0H1700B0 | case back gasket |
| A100BS | others - push pin (for mb) |
| 4N003981XS19 | others - dial |
| 4N0061 | others - machine code |
| 4N006318 | others - case back |
| 4N00631825A | others - case |
| 82863250 | others - case ring |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 2CH040A1BNB | others - minute hand |
| 1CH027A1BNB | others - hour hand |