The Seiko 4N00-050H is a watch model based on the 4N00 movement.
Parts List
| 170A02SN02 | crystal - crystal (sapphire) |
| 170A02SN | crystal |
| 6M30A9NNG0 | crown |
| 6M30A9NN | crown |
| 0H1600B01 | case back gasket - case back gasket |
| 0H1600B0 | case back gasket |
| BHJ85G | band |
| 82841070 | others - case ring |
| 4N00050H | others - case back |
| 4N00050HD2 | others - case |
| 4N001440XS19 | others - dial |
| 4N0061 | others - machine code |
| 82352055 | others - bezel |
| A120AS | others - push pin |
| 0351155 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 07Y25NGM | others - minute hand |
| 07Y25NGH | others - hour hand |