The Seiko 9550-5309 is a watch model based on the 9550 movement.
Parts List
| ESBN38SN00 | crystal |
| 25M14NA1 | crown |
| 0Z0034B01 | case back gasket - crown and stem gasket |
| 0H2702N01 | case back gasket - case back gasket |
| BQA08G | band - leather band |
| KQA01G | band - leather band |
| ZQA04G | band - leather band |
| 09X14DGM | hand - minute hand |
| 09X14NGH | others - hour hand |
| 82724280 | others - case ring |
| 95501 | others - machine code |
| 9550530948 | others - case |
| 95505340XN14 | others - dial |
| A190AS | others - push pin |
| 0354855 | others - winding stem |
Caliber 9550
