The Seiko 2P20-5780 is a watch model based on the 2P20 movement.
Parts List
| ET2N39JN01 | crystal - crystal (inorganic) |
| 30NA9NA1 | crown |
| 0F130NA11 | case back gasket |
| B5425C | band - metal band |
| B5425G | band - metal band |
| B5425G-BK3G | clasp - clasp |
| B5425C-BK3G | clasp - clasp |
| 2CE060L0BDG | others - minute hand |
| 06Y13DGH | others - hour hand |
| 1CE042LABDG | others - hour hand |
| 2P201480X984 | others - dial |
| 2P201480X994 | others - dial |
| 2P201480XB14 | others - dial |
| 2P205780 | others - case back |
| 2P20578025 | others - case |
| 2P2057802N | others - case |
| 82810990 | others - case ring |
| DA007BA11 | others - crown and stem gasket |
| T090AS | others - push pin |
| 06Y05DGM | others - minute hand |
Caliber 2P20
