The Seiko 2P20-5180 is a watch model based on the 2P20 movement.
Parts List
| BA4N71JV01 | crystal |
| 30NA9NA1 | crown |
| 0F150NA11 | case back gasket - case back gasket |
| G5057C | band - metal band |
| G5058G | band - metal band |
| G5058G-BK5G | clasp - clasp |
| G5057C-BK5S | clasp - clasp |
| 2P200290X994 | others - dial |
| 2P200300XG14 | others - dial |
| 2P20518025 | others - case |
| 2P2051802E | others - case |
| 82732930 | others - case ring |
| A110AS | others - push pin |
| DA007BA11 | others - crown and stem gasket |
| 05Y01DGH | others - hour hand |
| 05Y05DGH | others - hour hand |
| 05Y05DGM | others - minute hand |
| 05Y01DGM | others - minute hand |
Caliber 2P20
