The Seiko 5A50-0109 is a watch model based on the 5A50 movement.
Parts List
| 220N12SV02 | crystal |
| 220N12SV03 | crystal |
| 220N12SV01 | crystal |
| 220N12SV | crystal |
| 25M32NA4 | crown - crown |
| 0H1610N01 | case back gasket |
| 0H1610N0 | case back gasket |
| BKA22G | band |
| WKJ20G | band - leather band |
| WKA22G | band |
| BKJ32G | band |
| 07VA0DBM | others - minute hand |
| 07VA0NBH | others - hour hand |
| 07VA0DAM | others - minute hand |
| 0354881 | others - winding stem |
| 5A500109 | others - case back |
| 5A50010926 | others - case |
| 5A500109CX | others - case |
| 5A500109FY | others - case |
| 5A500350XB14 | others - dial |
| 5A500350XB29 | others - dial |
| 5A500350XG14 | others - dial |
| 5A500350XS14 | others - dial |
| 5A500350XS24 | others - dial |
| 5A509 | others - machine code |
| 82810680 | others - case ring |
| A140AS | others - push pin |
| 07VA0NGH | others - hour hand |
Caliber 5A50
