The Seiko 2N20-5070 is a watch model based on the 2N20 movement.
Parts List
| REKN19SN01 | crystal |
| 22N27NS6 | crown |
| 22N27DA5 | crown |
| 0G1700B01 | case back gasket |
| 0G1750B01 | case back gasket |
| MK15E | band - leather band |
| MK34D | band - leather band |
| 05M43VGM | hand - minute hand |
| 2N200190XS19 | others - dial |
| 2N200190XS29 | others - dial |
| 2N2011 | others - machine code |
| 2N2050701EA | others - case |
| 2N20507043A | others - case |
| 82831570 | others - case ring |
| A140AS | others - push pin |
| 04M05VSH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 05M43VSM | others - minute hand |
| 0351106 | others - setting/winding stem |
| 04M05VGH | others - hour hand |
Caliber 2N20
Other models with the same movement
| 2N20-0010 |
| 2N20-0020 |
| 2N20-0040 |
| 2N20-0050 |
| 2N20-0060 |
| 2N20-0070 |
| 2N20-0080 |
| 2N20-0090 |
| 2N20-0100 |
| 2N20-0110 |
| 2N20-0130 |
| 2N20-0140 |
| 2N20-5000 |
| 2N20-5010 |
| 2N20-5020 |
| 2N20-5030 |
| 2N20-5050 |
| 2N20-5060 |
| 2N20-5080 |
| 2N20-5090 |
| 2N20-509A |