The Seiko 9550-5449 is a watch model based on the 9550 movement.
Parts List
| SA4W94SN00 | crystal |
| 25M12NA1 | crown |
| 25M12NS1 | crown |
| 0H2702N01 | case back gasket - case back gasket |
| EZ0035B0A | others - crown and stem gasket |
Caliber 9550
Seiko 9550-5449 Watch Guide