The Seiko 4N00-0851 is a watch model based on the 4N00 movement.
Parts List
| 180A02JN02 | crystal - crystal |
| 170A02JN02 | crystal - crystal |
| 6M30A3NNG0 | crown - crown |
| 6M30A3NN | crown |
| 0F150BAA | case back gasket |
| 0F150BAA5 | case back gasket - case back gasket |
| Q5070K | band |
| Q5070K-LKG | band - link |
| Q5070K-BK4G | clasp - clasp |
| 2CA067A1BNG | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81181459 | others - bracelet fixing pipe |
| 81606459 | others - bracelet fixing pin |
| 82841030 | others - case ring |
| 4N000851 | others - case back |
| 4N00085125 | others - case |
| 4N003001XB14 | others - dial |
| 4N003001XG24 | others - dial |
| 4N003091XS19 | others - dial |
| 4N0061 | others - machine code |
| Q5070K-EPG | others - endpiece |
| 0351155 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 1CA045A1BNG | others - hour hand |
| 1CC045A1BAA | others - hour hand |
| 2CC065A1BAA | others - minute hand |