The Seiko 9021-508A is a watch model based on the 9021 movement.
Parts List
| SAAN34GN00 | crystal - crystal |
| 30M70NS1 | crown - crown |
| 0H2800N01 | case back gasket - rotating bezel gasket |
| 89902429 | band - other |
| GC07A | band - band |
| 09TA4NBH | others - hour hand |
| 09TA4NBM | others - minute hand |
| 90215110XS29 | others - dial |
| 90219 | others - machine code |
| 0354856 | others - winding stem |
| DZ0130B01 | others - gasket |
| 82721800 | others - case ring |
| 9021508AEZ | others - case |
| 86500843 | others - decorative plate |
| 86500863 | others - decorative plate |
| 81331500 | others - click spring |
| 81502129 | others - screw |
| 81502149 | others - screw |
| 81502169 | others - screw |
| 81502189 | others - screw |
| 81502229 | others - screw |
| 10SC39VS | others - second hand |
Caliber 9021
