The Seiko 5A50-2000 is a watch model based on the 5A50 movement.
Parts List
| ES3A31S20A | crystal - crystal |
| ES3A31S20B | crystal - crystal |
| ES3A31S20C | crystal - crystal |
| 25MA8NA5 | crown |
| 25MA8NA7 | crown - crown |
| 25MA8NA8 | crown - crown |
| 0F160BAA5 | case back gasket - case back gasket |
| CA10BW | band - band |
| C018CZ | band - band |
| C018FZ | band - band |
| CA12BW | band - band |
| 08V10AJH | others - hour hand |
| 81180249 | others - bracelet fixing pipe |
| 81611559 | others - bracelet fixing pin |
| 81611579 | others - bracelet fixing pin |
| 82823400 | others - case ring |
| 5A50200075A | others - case |
| 5A502000 | others - case back |
| 5A50200075B | others - case |
| 5A50200075C | others - case |
| 0354881 | others - winding stem |
| 5A502000UNA | others - case |
| 5A505000XB14 | others - dial |
| 5A505000XS14 | others - dial |
| 5A505010XB14 | others - dial |
| 5A505010XS14 | others - dial |
| EZ0035B01 | others - crown and stem gasket |
| 08V10D1M | others - minute hand |
Caliber 5A50
