The Seiko 1N00-5J40 is a watch model based on the 1N00 movement.
Parts List
| ESLN00JM02 | crystal |
| ESLN00JM | crystal |
| 30M98NA1 | crown |
| 30M98NB1 | crown |
| 0H1970N01 | case back gasket - case back gasket |
| 0H1970N0 | case back gasket |
| B5538D | band |
| B5538D-LKG | band - link |
| B5538N | band |
| B5538D-BK4G | clasp - buckle |
| 1CE035L0BDG | others - hour hand |
| 2CE052L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 1N002H70XG14 | others - dial |
| 1N005J40HEA | others - case |
| 1N009 | others - machine code |
| A120AS | others - push pin |
| 82832980 | others - case ring |
| 1N005J40HE | others - case |
| 1N005J40 | others - case back |
| DZ0041B01 | others - crown and stem gasket |
| 05Y04DGM | others - minute hand |
| 05Y04DGH | others - hour hand |
Caliber 1N00
