The Seiko 1N00-5B30 is a watch model based on the 1N00 movement.
Parts List
| SAHN02JN01 | crystal |
| SAHN02JN | crystal |
| 30M98NA1 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1500B0 | case back gasket |
| Z5371G | band |
| Z5371G-BK4G | clasp - clasp |
| Z5371G-PB1 | clasp - parts for buckle/clasp |
| 0351807 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 82821840 | others - case ring |
| 1N000D80XB14 | others - dial |
| 1N000D80XG14 | others - dial |
| 1N000D80XS14 | others - dial |
| 1N000H60X919 | others - dial |
| 1N005B30 | others - case back |
| 1N005B3025 | others - case |
| 1N009 | others - machine code |
| DZ0041B01 | others - crown and stem gasket |
| 04Y14DGM | others - minute hand |
| 04Y08FGM | others - minute hand |
| 04Y08FGH | others - hour hand |
| 1CE030L4BDG | others - hour hand |
| 04Y12DGH | others - hour hand |
Caliber 1N00
