The Seiko 5A50-0280 is a watch model based on the 5A50 movement.
Parts List
| 225A06SV0C | crystal |
| 25MA8NA6 | crown |
| 0F170NA1S | case back gasket - case back gasket |
| Z5509 | band - metal band |
| Z5510 | band - metal band |
| 07V08D1H | others - hour hand |
| 0354881 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81602669 | others - bracelet fixing pin |
| 82830380 | others - case ring |
| 5A500280PS | others - case |
| 5A500280SA | others - case |
| 5A500680XB14 | others - dial |
| 5A500680XN14 | others - dial |
| 5A508 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |
| 07V08D1M | others - minute hand |
Caliber 5A50
