The Seiko 5A50-0310 is a watch model based on the 5A50 movement.
Parts List
| 185A10SN01 | crystal - crystal |
| 25MA8NA6 | crown |
| 25MA8NA5 | crown |
| 25MA8NJ6 | crown - crown |
| 0F170NA1S | case back gasket - case back gasket |
| C013AB | band - band |
| C013CB | band - band |
| C013FB | band - metal band |
| 07VD8CJH | others - hour hand |
| 07VD8CKH | others - hour hand |
| 07VD8DGM | others - minute hand |
| 07VD8DSM | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 82830380 | others - case ring |
| 5A50031061 | others - case |
| 5A500310 | others - case back |
| 5A500310SA | others - case |
| 5A500310PS | others - case |
| 5A500710XB14 | others - dial |
| 5A500710XN13 | others - dial |
| 5A500710XS14 | others - dial |
| 5A508 | others - machine code |
| 0354881 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
Caliber 5A50
