The Seiko 4N20-5070 is a watch model based on the 4N20 movement.
Parts List
| RE3W19JN01 | crystal |
| 30M27NA1 | crown |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0F180BAA1 | case back gasket - case back gasket |
| DK05D | band - leather band |
| 05Y17ALH | others - hour hand |
| 0351155 | others - winding stem |
| 4N200170XS19 | others - dial |
| 4N205070 | others - case back |
| 4N20507075 | others - case |
| 4N2061 | others - machine code |
| 82833490 | others - case ring |
| A140BS | others - push pin |
| 05Y17CLM | others - minute hand |