The Seiko 4N00-0300 is a watch model based on the 4N00 movement.
Parts List
| 170N25JM01 | crystal |
| 35MS1NN1 | crown - crown |
| 0F140BAA | case back gasket |
| 0F140BAA3 | case back gasket - case back gasket |
| B5661H | band |
| B5661C-LKG | band - link |
| B5661H-LKG | band - link |
| B5661C | band |
| B5661C-BK4G | clasp - clasp |
| B5661H-BK4G | clasp - clasp |
| 1CG045L0BDG | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 81181459 | others - bracelet fixing pipe |
| 81604219 | others - bracelet fixing pin |
| 82840910 | others - case ring |
| 4N000300 | others - case back |
| 4N00030079 | others - case |
| 4N000300WG | others - case |
| 4N001400XG24 | others - dial |
| 4N0061 | others - machine code |
| 2CG070L2BDG | others - minute hand |
| 07Y17DGM | others - minute hand |
| 07Y17DGH | others - hour hand |