The Seiko 2P21-0280 is a watch model based on the 2P21 movement.
Parts List
| 200P05SN02 | crystal - crystal |
| 200W79SN00 | crystal - crystal |
| 32M19NA1 | crown |
| 0F155BAA1 | case back gasket - case back gasket |
| 86571830 | crystal gasket |
| MK17D | band - band |
| MK18D | band - band |
| 3BA125F1BNG | others - second hand |
| 08T09AGM | others - minute hand |
| 08T61AGH | others - hour hand |
| 2BC080A1BAA | others - minute hand |
| EB0055B01 | others - crown and stem gasket |
| 0351236 | others - winding stem |
| 2P211000XS19 | others - dial |
| 2P211010XS19 | others - dial |
| 2P219 | others - machine code |
| A110AS | others - push pin |
| 2P21028075 | others - case |
| 82802650 | others - case ring |
| 08SC29NG | others - second hand |
Caliber 2P21
