The Seiko 7009-8550 is a watch model based on the 7009 movement.
Instruction manual of the watch
Parts List
| 320W19LN00 | crystal |
| 40M67NS1 | crown - crown |
| 40M67NA1 | crown - crown |
| FH2920B03 | case back gasket |
| EZ2990B04 | case back gasket |
Caliber 7009
Seiko 7009-8550 Watch Guide