The Seiko 2C21-546A is a watch model based on the 2C21 movement.
Parts List
| SA4W43HN01 | crystal |
| 32M15NA1 | crown - crown |
| 0F160BAA5 | case back gasket - case back gasket |
| EB0055B01 | others - crown and stem gasket |
Caliber 2C21
Seiko 2C21-546A Watch Guide
The Seiko 2C21-546A is a watch model based on the 2C21 movement.
| SA4W43HN01 | crystal |
| 32M15NA1 | crown - crown |
| 0F160BAA5 | case back gasket - case back gasket |
| EB0055B01 | others - crown and stem gasket |