The Seiko 7770-6090 is a watch model based on the 7770 movement.
Parts List
| 260W81SV01 | crystal |
| 25M13DA5 | crown |
| 0F230NAA3 | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0F220NAA3 | bezel gasket |
| GB53A | band - metal band |
| 10S57JCH | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81607659 | others - bracelet fixing pin |
| 10S57JGM | others - minute hand |
| 260W81SV01 | crystal |
| 25M13DA5 | crown |
| 0F230NAA3 | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0F220NAA3 | bezel gasket |
| GB53A | band - metal band |
| 10S57JCH | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81607659 | others - bracelet fixing pin |
| 10S57JGM | others - minute hand |