The Seiko 9521-5090 is a watch model based on the 9521 movement.
Parts List
| RE2N30SN00 | crystal - crystal |
| 30M52NA3 | crown |
| 012700N01 | case back gasket - case back gasket |
| AK07B | band - band |
| 0354855 | others - winding stem |
| 82713580 | others - case ring |
| 95211 | others - machine code |
| 9521509025 | others - case |
| 95215090XG18 | others - dial |
| A200BS | others - push pin |
| 12ST08DG | others - second hand |
| 09X14ALH | others - hour hand |
| 09X14CGM | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |