The Seiko 2P20-5620 is a watch model based on the 2P20 movement.
Parts List
| ET2N07JV01 | crystal |
| 30N63NA1 | crown - crown |
| 30ND3NA1 | crown - crown |
| 0G1700B01 | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0G1750B01 | case back gasket |
| ZGZ06G | band - leather band |
| 1CG045L0BDG | others - hour hand |
| 2P201120XS14 | others - dial |
| 2P205620 | others - case back |
| 2P2056202E | others - case |
| 82803710 | others - case ring |
| A110AS | others - push pin |
| 2CG070L2BDG | others - minute hand |
| 07Y17DGM | others - minute hand |
| 07Y17DGH | others - hour hand |
| ET2N07JV01 | crystal |
| 30N63NA1 | crown - crown |
| 30ND3NA1 | crown - crown |
| 0G1700B01 | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0G1750B01 | case back gasket |
| ZGZ06G | band - leather band |
| 1CG045L0BDG | others - hour hand |
| 2P201120XS14 | others - dial |
| 2P205620 | others - case back |
| 2P2056202E | others - case |
| 82803710 | others - case ring |
| A110AS | others - push pin |
| 2CG070L2BDG | others - minute hand |
| 07Y17DGM | others - minute hand |
| 07Y17DGH | others - hour hand |
Caliber 2P20
