The Seiko 4N20-5600 is a watch model based on the 4N20 movement.
Parts List
| K02A73JN01 | crystal - crystal |
| 6M45Z1SNGB | crown - crown |
| 6M45Z1SNWC | crown - crown |
| 0F170BA1S | case back gasket - case back gasket |
| DD48AW | band - band |
| DD49FW | band - band |
| DD50AW | band - band |
| 1CE035L0BDG | others - hour hand |
| 1CE035L0BDS | others - hour hand |
| 2CE052L0BDG | others - minute hand |
| 2CE052L0BDS | others - minute hand |
| 82838550 | others - case ring |
| 4N201950XR14 | others - dial |
| 4N201950XS13 | others - dial |
| 4N201950XS23 | others - dial |
| 4N2061 | others - machine code |
| A110AS | others - push pin |
| 4N20560061A | others - case |
| 4N205600 | others - case back |
| 0351155 | others - winding stem |
| 4N20560076A | others - case |
| DZ0040B01 | others - crown and stem gasket |