The Seiko 2M21-0010 is a watch model based on the 2M21 movement.
Parts List
| 250A02JN02 | crystal - crystal |
| 250N11JN00 | crystal |
| 35N95NA1 | crown |
| 35N95NS1 | crown |
| 0H2800B01 | case back gasket - rotating bezel gasket |
| DZ0065B01 | case back gasket - button gasket |
| 8994069A | band - other |
| 8994069B | band - other |
| DK01D | band - leather band |
| DK69C | band - leather band |
| 8994075A | others - case ring |
| A120AS | others - push pin |
| 08SC79HA | others - second hand |
| 0351161 | others - winding stem |
| 2M21001025 | others - case |
| 2M2100102E | others - case |
| 2M210010XS19 | others - dial |
| 2M210030XS19 | others - dial |
| 2M2110 | others - machine code |
| 81611759 | others - pin |
| 81611811 | others - pin |
| 81611819 | others - pin |
| 08SC79HN | others - second hand |
| 09PA3NGH | others - hour hand |
| 09PA3NSH | others - hour hand |
| 09PC1NGM | others - minute hand |
| 09PC1NSM | others - minute hand |
| 81351690 | others - button spring |
Other models with the same movement