The Seiko 2C21-5530 is a watch model based on the 2C21 movement.
Parts List
| ESYN85JN01 | crystal - crystal |
| 30N77NG1 | crown - crown |
| 0G2000B02 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| ML48A | band - band |
| ML49A | band - band |
| 1AA042A1BNG | others - hour hand |
| 1AA047A1BNG | others - hour hand |
| 3BA075F1BAR | others - second hand |
| 07P03NGH | others - hour hand |
| 07P03NGM | others - minute hand |
| 07P27DGH | others - hour hand |
| 07P27DGM | others - minute hand |
| 07SC19ER | others - second hand |
| 07SC25ER | others - second hand |
| 2AA065A1BDG | others - minute hand |
| 2AA065A1BNG | others - minute hand |
| 2AA067A1BNG | others - minute hand |
| 0351225 | others - winding stem |
| 2C2110 | others - machine code |
| 2C211270XS19 | others - dial |
| 2C211280XB14 | others - dial |
| A120AS | others - push pin |
| 2C21553025 | others - case |
| 82731010 | others - case ring |
Caliber 2C21
