The Seiko 1N00-5K09 is a watch model based on the 1N00 movement.
Parts List
| ESJN00JM01 | crystal |
| ESJN00JM | crystal |
| 30M98NA1 | crown |
| 0H1970N01 | case back gasket - case back gasket |
| 0H1970N0 | case back gasket |
| B5428G-LKG | band - link |
| B5428K | band - metal band |
| B5428K-LKG | band - link |
| B5428G | band |
| B5428G-BK4G | clasp - clasp |
| B5428K-BK4G | clasp - clasp |
| 0351807 | others - winding stem |
| 82832980 | others - case ring |
| 1N002J30XG14 | others - dial |
| 1N002J38XG14 | others - dial |
| 1N005K09 | others - case back |
| 1N005K0925 | others - case |
| 1N005K0925Z | others - case |
| 1N009 | others - machine code |
| A120AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
| 2CA055F0BAE | others - minute hand |
| 1CA035F0BAE | others - hour hand |
Caliber 1N00
