The Seiko 4N00-0030 is a watch model based on the 4N00 movement.
Parts List
| 170W25HK01 | crystal |
| 170W25HK | crystal |
| 30E33NA1 | crown |
| 30E33NS1 | crown |
| 0F155BAA | case back gasket |
| 0F155BAA3 | case back gasket - case back gasket |
| AC004BAA1 | case back gasket - crown and stem gasket |
| 86592130 | crystal gasket |
| Z5373C | band |
| Z5372C | band - metal band |
| Z5373C-LKG | band - link |
| Z5373G | band - metal band |
| Z5373S-LKS | band - link |
| ZBJ04G | band - leather band |
| ZBZ01G | band - leather band |
| ZBZ01S | band - leather band |
| Z5373G-LKG | band - link |
| Z5373S | band - metal band |
| ZBJ03G | band |
| Z5372S | band |
| Z5373G-BK7G | clasp - clasp |
| Z5372S-BK4S | clasp - clasp |
| Z5372C-BK4S | clasp - clasp |
| Z5373S-BK7S | clasp - clasp |
| Z5373C-BK7G | clasp - clasp |
| Z5372C-EP3 | others - endpiece |
| 0351156 | others - winding stem |
| Z5372S-EP3 | others - endpiece |
| 82840910 | others - case ring |
| 4N000030 | others - case back |
| 4N00003061 | others - case |
| 4N00003075 | others - case |
| 4N000030SA | others - case |
| 4N000140X914 | others - dial |
| 4N000140X924 | others - dial |
| 4N000140X934 | others - dial |
| 4N000140XS14 | others - dial |
| 4N0061 | others - machine code |
| T060BS | others - push pin |
| 07Y55AAM | others - minute hand |
| 07Y57NGH | others - hour hand |
| 07Y57ALH | others - hour hand |