The Seiko 2C21-0130 is a watch model based on the 2C21 movement.
Parts List
| 185N31JN00 | crystal - crystal |
| 185A02JN02 | crystal - crystal (inorganic) |
| 35NR5NA1 | crown |
| 35NR5NS1 | crown |
| 35NR5NH1 | crown - crown |
| 0H1550B01 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| DK81G | band - band |
| ZK41A | band - band |
| HK50A | band - band |
| ZK42A | band - band |
| ML69A | band - band |
| 2AA075A3BNS | hand - minute hand |
| 07SC17NG | others - second hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 07SC17NS | others - second hand |
| 07P51NBH | others - hour hand |
| 07P51NBM | others - minute hand |
| 07SC43XR | others - second hand |
| 08P29APM | others - minute hand |
| 08SC41XD | others - second hand |
| 1AA050A3BAK | others - hour hand |
| 2AA075A1BAL | others - minute hand |
| 3BA075F1BAL | others - second hand |
| 3BA075F1BAR | others - second hand |
| 08P07DGH | others - hour hand |
| 08P07DGM | others - minute hand |
| 08P07DSM | others - minute hand |
| 1AA050A3BNG | others - hour hand |
| 2AA075A3BNG | others - minute hand |
| 1AA050A3BNS | others - hour hand |
| 08P07DSH | others - hour hand |
| 0351225 | others - winding stem |
| 2C2101301B | others - case |
| 82712510 | others - case ring |
| 2C21013025X | others - case |
| 2C21013025Y | others - case |
| 2C2101302E | others - case |
| 2C210490XG14 | others - dial |
| 2C210490XS13 | others - dial |
| 2C210690XL14 | others - dial |
| 2C2110 | others - machine code |
| 2C211460XS13 | others - dial |
| 2C211620X919 | others - dial |
| 2C211650XB13 | others - dial |
| A110AS | others - push pin |
| 2C21013025 | others - case |
Caliber 2C21
