The Seiko 5P31-5B50 is a watch model based on the 5P31 movement.
Parts List
| ESHN32JM01 | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 012600N01 | case back gasket - case back gasket |
The Seiko 5P31-5B50 is a watch model based on the 5P31 movement.
| ESHN32JM01 | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 012600N01 | case back gasket - case back gasket |