The Seiko 2P20-5B20 is a watch model based on the 2P20 movement.
Parts List
| SADN28JN01 | crystal |
| 30M98NA1 | crown |
| 0H1400N01 | case back gasket - case back gasket |
| DZ0041B01 | others - crown and stem gasket |
Caliber 2P20
Seiko 2P20-5B20 Watch Guide
The Seiko 2P20-5B20 is a watch model based on the 2P20 movement.
| SADN28JN01 | crystal |
| 30M98NA1 | crown |
| 0H1400N01 | case back gasket - case back gasket |
| DZ0041B01 | others - crown and stem gasket |