The Seiko 9021-502A is a watch model based on the 9021 movement.
Parts List
| SA5W92GN00 | crystal - crystal |
| 30M22NA1 | crown - crown |
| 0A2700N01 | case back gasket - case back gasket |
| 86568380 | crystal gasket - plastic gasket for crystal |
| LK56B | band - band |
| 10T04A3H | others - hour hand |
| 10T04CLM | others - minute hand |
| 0354856 | others - winding stem |
| 82714120 | others - case ring |
| 9021502A75 | others - case |
| 90215030XG18 | others - dial |
| 90219 | others - machine code |
| A180BS | others - push pin |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 9021
