The Seiko 2C21-5470 is a watch model based on the 2C21 movement.
Parts List
| ESXN89JN01 | crystal |
| 32N09NA1 | crown |
| 0F140NA11 | case back gasket |
| 0F150NA11 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| Z5147G | band - metal band |
| Z5147G-LKG | band - link |
| Z5147G-PB1 | clasp - parts for buckle/clasp |
| Z5147G-BK4G | clasp - clasp |
| 3BA075F1BNG | others - second hand |
| Z5147G-ES | others - eyelet screw |
| 81180229 | others - bracelet fixing pipe |
| 81181459 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 81604279 | others - bracelet fixing pin |
| 2C2110 | others - machine code |
| 2C211110XG18 | others - dial |
| 2C21547025 | others - case |
| 05SC05NG | others - second hand |
| 2AA050A3BAA | others - minute hand |
| 05P17AGM | others - minute hand |
| 1AA032A3BAA | others - hour hand |
| 2AA050A1BAA | others - minute hand |
Caliber 2C21
