The Seiko 2P20-5G90 is a watch model based on the 2P20 movement.
Parts List
| SAEN34SN | crystal |
| SAEN34SN01 | crystal |
| 30MD2NA1 | crown |
| 0H1860N01 | case back gasket - case back gasket |
| 0H1860N0 | case back gasket |
| DZ0041B0 | case back gasket |
| 06Y13DGH | others - hour hand |
| 06Y13DGM | others - minute hand |
| 0351236 | others - winding stem |
| 2P201B20XG14 | others - dial |
| 2P205G9041 | others - case |
| 2P205G9043 | others - case |
| 2P209 | others - machine code |
| 82803300 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
Caliber 2P20
