The Seiko 7770-8000 is a watch model based on the 7770 movement.
Parts List
| 290N49SN01 | crystal |
| 25N01DX5 | crown |
| 25N01DX5C | crown |
| 0D240NAA1 | case back gasket - case back gasket |
| LK06P | band - leather band |
| A180AS | others - push pin |
| 81505095 | others - case back screw |
| DZ0040B01 | others - crown and stem gasket |
| 11S33JSH | others - hour hand |