The Seiko 9550-5409 is a watch model based on the 9550 movement.
Parts List
| ESBN38SN00 | crystal |
| 25M14NA1 | crown |
| 0H2702N01 | case back gasket - case back gasket |
| BQA18G | band - leather band |
| ZQA07 | band - leather band |
| ZQA07G | band - leather band |
| 09X14DGM | hand - minute hand |
| 09X14NGH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 82724280 | others - case ring |
| 95501 | others - machine code |
| 9550540948 | others - case |
| 95505440XN14 | others - dial |
| A190AS | others - push pin |
| 0354855 | others - winding stem |
Caliber 9550



