The Seiko 4N00-0051 is a watch model based on the 4N00 movement.
Parts List
| 150W09JM01 | crystal |
| 32M63NN1 | crown - crown |
| 32M63NA1 | crown |
| 0F140BAA | case back gasket |
| 0F140BAA3 | case back gasket - case back gasket |
| B5586L | band |
| B5586L-LKG | band - link |
| B5586L-BK4G | clasp - clasp |
| T060BS | others - push pin |
| 4N000051 | others - case back |
| 4N00005129 | others - case |
| 4N000151XS24 | others - dial |
| 4N0061 | others - machine code |
| 82833410 | others - case ring |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 05Y33NGM | others - minute hand |
| 05Y33NGH | others - hour hand |