The Seiko 1N00-F040 is a watch model based on the 1N00 movement.
Parts List
| 185PF2SN01 | crystal |
| 185PF2SN | crystal |
| 6M30BFSNG9 | crown - crown |
| 6M30BFSNW0 | crown - crown |
| 6M30BFSN | crown |
| 0H1800B01 | case back gasket - case back gasket |
| 0H1800B0 | case back gasket |
| 8656F280 | crystal gasket |
| 2A08MB | band - leather band |
| 2A08LB | band - leather band |
| LOCAL | band - band |
| 2CH075BLBNG | others - minute hand |
| 1CH055AZBNG | others - hour hand |
| A130AS | others - push pin (for lb) |
| 1N00F060XS14 | others - dial |
| 1N00F070XN14 | others - dial |
| 1N00F0408RA | others - case |
| 8270F370 | others - case ring |
| 1N00F040 | others - case back |
| 1N00F0409GA | others - case |
| 0351807 | others - winding stem |
| EZ0035B0A | others - crown and stem gasket |
Caliber 1N00
