The Seiko 2C21-0230 is a watch model based on the 2C21 movement.
Parts List
| 290N41JN00 | crystal - crystal |
| 30NA7NS1 | crown - crown |
| DZ0065B01 | case back gasket - button gasket |
| LC04A | band - band |
| 11P61ASH | others - hour hand |
| 11P61ASM | others - minute hand |
| 11SC43T2 | others - second hand |
| 3AA125F1A6S | others - second hand |
| 0351226 | others - winding stem |
| 82712370 | others - case ring |
| 2C2102302E | others - case |
| 2C210500XS19 | others - dial |
| 2C2110 | others - machine code |
Caliber 2C21
