The Seiko 2N20-0080 is a watch model based on the 2N20 movement.
Parts List
| 195W79SK01 | crystal |
| 22M21DA4 | crown |
| 22M21DG4 | crown |
| 0F150BAA5 | case back gasket - case back gasket |
| 0F165BAA5 | case back gasket - case back gasket |
| 86564370 | crystal gasket |
| MK10D | band - leather band |
| MK11D | band - leather band |
| 3K09A | band - leather band |
| A130AS | others - push pin (for lb) |
| 2N200080 | others - case back |
| 2N2000807E | others - case |
| 2N2000807X | others - case |
| 2N200080V7 | others - case |
| 2N200170XG19 | others - dial |
| 2N200170XS19 | others - dial |
| 2N200200XS14 | others - dial |
| 2N2011 | others - machine code |
| DZ0040B01 | others - crown and stem gasket |
| 08M03JGM | others - minute hand |
| 82341073 | others - bezel |
| 82341075 | others - bezel |
| 82341076 | others - bezel |
| 82822990 | others - case ring |
| 0351107 | others - winding stem |
| 08M37ZAM | others - minute hand |
| 08M39ZAH | others - hour hand |
| 09M11JCH | others - hour hand |
Caliber 2N20
Other models with the same movement
| 2N20-0010 |
| 2N20-0020 |
| 2N20-0040 |
| 2N20-0050 |
| 2N20-0060 |
| 2N20-0070 |
| 2N20-0090 |
| 2N20-0100 |
| 2N20-0110 |
| 2N20-0130 |
| 2N20-0140 |
| 2N20-5000 |
| 2N20-5010 |
| 2N20-5020 |
| 2N20-5030 |
| 2N20-5050 |
| 2N20-5060 |
| 2N20-5070 |
| 2N20-5080 |
| 2N20-5090 |
| 2N20-509A |