The Seiko 4N00-5101 is a watch model based on the 4N00 movement.
Parts List
| RELN01JN01 | crystal |
| RELN01JN | crystal |
| 32M41NN1 | crown |
| 0H1900B01 | case back gasket - case back gasket |
| 0H1900B0 | case back gasket |
| WJS06K | band |
| WJA44K | band - leather band |
| WJJ42K | band |
| WJJ43K | band |
| 05Y17DGH | others - hour hand |
| 06Y33DGH | others - hour hand |
| 05Y17DGM | others - minute hand |
| DA007BA11 | others - crown and stem gasket |
| 4N000231XS14 | others - dial |
| 4N000241XS14 | others - dial |
| 4N000251XB14 | others - dial |
| 4N000251XG14 | others - dial |
| 4N005101 | others - case back |
| 4N00510125 | others - case |
| 4N0061 | others - machine code |
| 82841010 | others - case ring |
| A130BS | others - push pin |
| 0351155 | others - winding stem |
| 06Y33DGM | others - minute hand |
| 06Y17NGM | others - minute hand |
| 06Y17NGH | others - hour hand |