The Seiko 2C21-022A is a watch model based on the 2C21 movement.
Parts List
| 190N97JE10 | crystal - crystal |
| 30N77N01 | crown - crown |
| 0H1550B01 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| HL35A | band - band |
| MK32D | band - band |
| 08P35NBH | others - hour hand |
| 08P35NBM | others - minute hand |
| 08PC3NGH | others - hour hand |
| 08PC3NGM | others - minute hand |
| 1AB050AFBNG | others - hour hand |
| 2AA075AHBNG | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 07SC17NG | others - second hand |
| 3BA125F1BAB | others - second hand |
| 08SC29EB | others - second hand |
| 0351225 | others - winding stem |
| 82706930 | others - case ring |
| 2C21022AHE | others - case |
| 2C210840XB19 | others - dial |
| 2C210841XB19 | others - dial |
| 2C2110 | others - machine code |
| 2C211520XG19 | others - dial |
| A120AS | others - push pin |
Caliber 2C21
