The Seiko 2C21-0250 is a watch model based on the 2C21 movement.
Parts List
| 155N25JN00 | crystal - crystal |
| 30NA7NA1 | crown - crown |
| 0G1650B01 | case back gasket - case back gasket |
| 0G1600B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| KK17A | band - band |
| KK18A | band - band |
| 1AH040A1BNG | others - hour hand |
| 2AH057A1BNG | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 06P41NGH | others - hour hand |
| 06P41NGM | others - minute hand |
| 0351225 | others - winding stem |
| 83139430 | others - case ring |
| 2C2102500G | others - case |
| 2C2102500H | others - case |
| 2C210900XN14 | others - dial |
| 2C210900XS14 | others - dial |
| 2C2110 | others - machine code |
| A120AS | others - push pin |
| 07SC04NG | others - second hand |
Caliber 2C21
