The Seiko 2P20-5040 is a watch model based on the 2P20 movement.
Parts List
| ESZN25JV01 | crystal |
| 30M29NA1 | crown |
| 0F170NA11 | case back gasket |
| BKA04G | band - leather band |
| BKJ09C | band - leather band |
| BKJ18C | band - leather band |
| BKJ19C | band - leather band |
| BKJ20C | band - leather band |
| BKJ21C | band - leather band |
| BKZ18C | band - leather band |
| 06Y15DGH | hand - hour hand |
| 06Y15DGM | hand - minute hand |
| 07V09DHM | hand - minute hand |
| 1CE045L2BDG | others - hour hand |
| 2CE065L2BDG | others - minute hand |
| DA007BA11 | others - crown and stem gasket |
| 06Y33DGH | others - hour hand |
| 2P200080XN14 | others - dial |
| 2P200090XN14 | others - dial |
| 2P200090XY14 | others - dial |
| 2P2050402G | others - case |
| 2P2050402L | others - case |
| 2P205040HE | others - case |
| 82731850 | others - case ring |
| A140AS | others - push pin |
| 06Y33DGM | others - minute hand |
| 06Y11DGM | others - minute hand |
| 06Y11DGH | others - hour hand |
| 07L05DGH | others - hour hand |
Caliber 2P20
