The Seiko 7009-8450 is a watch model based on the 7009 movement.
Instruction manual of the watch
Parts List
| 310T49ANS0 | crystal |
| 40M71NS1 | crown |
| 40M71NA1 | crown |
| FH2920B03 | case back gasket |
| EJ0060B01 | others - crown gasket |
Caliber 7009
Seiko 7009-8450 Watch Guide