The Seiko Y643-0270 is a watch model based on the Y643 movement.
Parts List
| 190W49LA00 | crystal |
| 40E09NS1 | crown |
| DB0055B0A | case back gasket - crown and stem gasket |
| 0J225BA91 | case back gasket |
The Seiko Y643-0270 is a watch model based on the Y643 movement.
| 190W49LA00 | crystal |
| 40E09NS1 | crown |
| DB0055B0A | case back gasket - crown and stem gasket |
| 0J225BA91 | case back gasket |