The Seiko 7770-5030 is a watch model based on the 7770 movement.
Parts List
| ESHN81SN00 | crystal |
| 25N01DX5C | crown |
| 0H2300N01 | case back gasket |
| GI095 | others - other band |
The Seiko 7770-5030 is a watch model based on the 7770 movement.
| ESHN81SN00 | crystal |
| 25N01DX5C | crown |
| 0H2300N01 | case back gasket |
| GI095 | others - other band |