The Seiko 2P21-5020 is a watch model based on the 2P21 movement.
Parts List
| ESZN13JN01 | crystal |
| 30NA9NA1 | crown |
| 0F150NA11 | case back gasket - case back gasket |
| DA007BA11 | others - crown and stem gasket |
Caliber 2P21
Seiko 2P21-5020 Watch Guide
The Seiko 2P21-5020 is a watch model based on the 2P21 movement.
| ESZN13JN01 | crystal |
| 30NA9NA1 | crown |
| 0F150NA11 | case back gasket - case back gasket |
| DA007BA11 | others - crown and stem gasket |