The Seiko 9521-5220 is a watch model based on the 9521 movement.
Parts List
| SABN46SN00 | crystal - crystal |
| 25M02NA4 | crown - crown |
| 0H2600N01 | case back gasket - case back gasket |
| YK11B | band - band |
| 9521522025 | others - case |
| 82730260 | others - case ring |
| 95211 | others - machine code |
| 95215220XG14 | others - dial |
| A170AS | others - push pin |
| 0354855 | others - winding stem |
| 12ST08DG | others - second hand |
| 10X10DGH | others - hour hand |
| 10X10DGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| SABN46SN00 | crystal - crystal |
| 25M02NA4 | crown - crown |
| 0H2600N01 | case back gasket - case back gasket |
| YK11B | band - band |
| 9521522025 | others - case |
| 82730260 | others - case ring |
| 95211 | others - machine code |
| 95215220XG14 | others - dial |
| A170AS | others - push pin |
| 0354855 | others - winding stem |
| 12ST08DG | others - second hand |
| 10X10DGH | others - hour hand |
| 10X10DGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |