The Seiko 2P20-5220 is a watch model based on the 2P20 movement.
Parts List
| REEN21HR02 | crystal |
| REEN21HU01 | crystal |
| 30NA9NA1 | crown |
| 30NA9NH1 | crown |
| 0F200NA11 | case back gasket |
| 0F200BA11 | case back gasket |
| ZLZ05D | band - leather band |
| ZLZ05D-LB | band - leather without buckle |
| ZLZ05D-BK8S | clasp - clasp |
| 07Y03DGH | hand - hour hand |
| 07Y13DGM | hand - minute hand |
| 2P200350XB34 | others - dial |
| 2P205220K8 | others - case |
| 82733190 | others - case ring |
| A150BS | others - push pin |
| DA007BA11 | others - crown and stem gasket |
Caliber 2P20
