The Seiko 2P20-5H40 is a watch model based on the 2P20 movement.
Parts List
| REBN20JM01 | crystal |
| 30M98NA1 | crown |
| 0H2001N01 | case back gasket |
| BJJ08G | band - leather band |
| WJJ12G | band - leather band |
| A130AS | others - push pin (for lb) |
| 2P201C60XG14 | others - dial |
| 2P205H40 | others - case back |
| 2P205H4025 | others - case |
| 2P209 | others - machine code |
| 82803940 | others - case ring |
| 0351236 | others - winding stem |
| 06Y01DGH | others - hour hand |
| 06Y01DGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 2P20
