The Seiko 4N00-F120 is a watch model based on the 4N00 movement.
Parts List
| 224PF1HN01 | crystal |
| 6M30Z3NNGB | crown |
| 0H1650B01 | case back gasket - case back gasket |
| 8656F220 | crystal gasket |
| 8656F210 | bezel gasket |
| BKA35K | band |
| BKJ50K | band |
| BKJ51K | band |
| 4N00F120 | others - case back |
| 4N00F12075A | others - case |
| 4N00F180XS19 | others - dial |
| 4N00F190XS19 | others - dial |
| 4N00F200XG14 | others - dial |
| 8230F071 | others - bezel |
| 8270F210 | others - case ring |
| A140AS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |
| 0351156 | others - winding stem |
| 2CH095ALBNB | others - minute hand |
| 2CA095LLBNG | others - minute hand |
| 1CH070ALBNB | others - hour hand |
| 1CA070LLBNG | others - hour hand |