The Seiko 7770-5070 is a watch model based on the 7770 movement.
Parts List
| ESKN37SF10 | crystal |
| 25N01NS5 | crown |
| 0H2400B01 | case back gasket - case back gasket |
| LK27Z | band - leather band |
| A180AS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |
The Seiko 7770-5070 is a watch model based on the 7770 movement.
| ESKN37SF10 | crystal |
| 25N01NS5 | crown |
| 0H2400B01 | case back gasket - case back gasket |
| LK27Z | band - leather band |
| A180AS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |