The Seiko 2P20-5D80 is a watch model based on the 2P20 movement.
Parts List
| ESGN06JH01 | crystal |
| ESGN06JH02 | crystal |
| 30M98NA1 | crown |
| 0H2001N01 | case back gasket |
| WKZ03C | band - leather band |
| WKZ12G | band - leather band |
| 0351236 | others - winding stem |
| 2P200G00XN14 | others - dial |
| 2P205D80HE | others - case |
| 2P209 | others - machine code |
| 82800980 | others - case ring |
| A140AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
| 2CA065A0BNG | others - minute hand |
| 06Y14NGM | others - minute hand |
| 06Y14NGH | others - hour hand |
Caliber 2P20
