The Seiko 2C21-0320 is a watch model based on the 2C21 movement.
Parts List
| 190NA9JK01 | crystal - crystal |
| 40MS3NG1 | crown - crown |
| DZ0065B01 | case back gasket - button gasket |
| 0G1820B01 | case back gasket |
| ZK50A | band - band |
| 3BA075F1BNG | others - second hand |
| 07SC17NG | others - second hand |
| 07P97DGH | others - hour hand |
| 07P97DGM | others - minute hand |
| 0351225 | others - winding stem |
| 82712510 | others - case ring |
| 2C21032025 | others - case |
| 2C2110 | others - machine code |
| 2C211190XS12 | others - dial |
| A100AS | others - push pin |
Caliber 2C21
