The Seiko Y819-4000 is a watch model based on the Y819 movement.
Parts List
| ES4W45LM40 | crystal |
| ES4W45LM10 | crystal |
| EA0090B0A | case back gasket - button gasket |
| FE210BAA1 | case back gasket |
The Seiko Y819-4000 is a watch model based on the Y819 movement.
| ES4W45LM40 | crystal |
| ES4W45LM10 | crystal |
| EA0090B0A | case back gasket - button gasket |
| FE210BAA1 | case back gasket |