The Seiko 2P21-5D4A is a watch model based on the 2P21 movement.
Parts List
| ESAW14SJ01 | crystal - crystal |
| 30MA2NA1 | crown - crown |
| 0A2000N01 | case back gasket |
| DL04B | band - band |
| 07SC02NG | others - second hand |
| 06T22ABH | others - hour hand |
| 0351236 | others - winding stem |
| 2P215D4A75 | others - case |
| 82811140 | others - case ring |
| 2P215D4A | others - case back |
| 2P210J60XG18 | others - dial |
| 2P219 | others - machine code |
| A140AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 06T22ABM | others - minute hand |
Caliber 2P21
