The Seiko 5A50-5189 is a watch model based on the 5A50 movement.
Parts List
| SAFN10SN | crystal |
| SAFN10SN01 | crystal |
| 22M06NA1 | crown |
| 0H2100N01 | case back gasket - case back gasket |
| 0H2100N0 | case back gasket |
| BNA31G | band - leather band |
| BNJ27G | band - leather band |
| WNA07G | band - leather band |
| WNJ08G | band - leather band |
| 0354881 | others - winding stem |
| 5A500250XG19 | others - dial |
| 5A500250XN19 | others - dial |
| 5A505189 | others - case back |
| 5A50518925 | others - case |
| 5A5051892N | others - case |
| 5A509 | others - machine code |
| 82810060 | others - case ring |
| A170AS | others - push pin |
| 07VA8ZGM | others - minute hand |
| 07VA6ZAH | others - hour hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 5A50
