The Seiko Y643-5040 is a watch model based on the Y643 movement.
Parts List
| ES3W15LN00 | crystal |
| 40M97NS1 | crown |
| FH2030B01 | case back gasket - case back gasket |
The Seiko Y643-5040 is a watch model based on the Y643 movement.
| ES3W15LN00 | crystal |
| 40M97NS1 | crown |
| FH2030B01 | case back gasket - case back gasket |