The Seiko Y643-027A is a watch model based on the Y643 movement.
Parts List
| 190W49LA00 | crystal |
| 40E09NS1 | crown |
| DB0055B0A | case back gasket - crown and stem gasket |
| FE203BAA2 | case back gasket |
The Seiko Y643-027A is a watch model based on the Y643 movement.
| 190W49LA00 | crystal |
| 40E09NS1 | crown |
| DB0055B0A | case back gasket - crown and stem gasket |
| FE203BAA2 | case back gasket |