The Seiko 5E21-6C5A is a watch model based on the 5E21 movement.
Parts List
| 280A08SV0C | crystal |
| 30MJ6NA4 | crown - crown |
| 0F230NA1S | case back gasket - case back gasket |
| GK60C | band - leather band |
| 1BB070L0BCC | others - hour hand |
| 2BB105L0BCC | others - minute hand |
| 82834460 | others - case ring |
| 5E215 | others - machine code |
| 5E216C40XS14 | others - dial |
| 5E216C5A | others - case back |
| 5E216C5A75 | others - case |
| 87020283 | others - back plate |
| A160BS | others - push pin |
| 0351624 | others - winding stem |
| 12ST06DA | others - second hand |
| EZ0035B01 | others - crown and stem gasket |