The Seiko 4N20-1070 is a watch model based on the 4N20 movement.
Parts List
| 160A02SN02 | crystal - crystal (sapphire) |
| 30M81DA4 | crown - crown |
| 0F140BA1S | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| D0A8BB | band - band |
| 1CG042LABDG | others - hour hand |
| 2CG063LABDG | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 81613519 | others - bracelet fixing pin |
| 82833415 | others - case ring |
| 4N20107075A | others - case |
| 4N201070 | others - case back |
| 4N201720XS14 | others - dial |
| 4N2061 | others - machine code |
| 0351155 | others - winding stem |