The Seiko 1N00-5G5A is a watch model based on the 1N00 movement.
Parts List
| K05N16JU02 | crystal |
| K05N16JU | crystal |
| 30M98NA1 | crown |
| 0H1400B01 | case back gasket - case back gasket |
| 0H1400B0 | case back gasket |
| B5704G | band |
| B5704G-LKG | band - link |
| B5704K-LKG | band - link |
| B5704K | band |
| B5704K-BK4G | clasp - clasp |
| B5704G-BK4G | clasp - clasp |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 1N002C30XB15 | others - dial |
| 1N002C38XB15 | others - dial |
| 1N005G5A | others - case back |
| 1N005G5A25 | others - case |
| 1N005G5A25Z | others - case |
| 1N009 | others - machine code |
| 82832080 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
| 1CE030L0BDG | others - hour hand |
| 05Y32DGH | others - hour hand |
| 2CE050L0BDG | others - minute hand |
| 05Y32DGM | others - minute hand |
Caliber 1N00
