The Seiko 2C21-5360 is a watch model based on the 2C21 movement.
Parts List
| SAEN95JN00 | crystal - crystal |
| 32N19NS1 | crown |
| 32N19NA1 | crown |
| 0F150NA11 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| DZ47A | band - metal band |
| DZ48A | band - band |
| 3BA075F1BNG | others - second hand |
| 06SC15NG | others - second hand |
| 06P03NGM | others - minute hand |
| 1AA037A1BNG | others - hour hand |
| 2AA055A1BNG | others - minute hand |
| 06P03NGH | others - hour hand |
| 0351225 | others - winding stem |
| 2C2153602E | others - case |
| 82721690 | others - case ring |
| 2C210950XG14 | others - dial |
| 2C210950XS14 | others - dial |
| 2C2110 | others - machine code |
| 2C21536025 | others - case |
| T090AS | others - push pin |
Caliber 2C21
