The Seiko 2P21-0C70 is a watch model based on the 2P21 movement.
Parts List
| 175W04JN01 | crystal |
| 30MA2NB1 | crown - crown |
| 0A1600N01 | case back gasket |
| 86573941 | crystal gasket |
| DK49C | band - band |
| 06TB2AGH | others - hour hand |
| 06TB2AGM | others - minute hand |
| 07SC02NG | others - second hand |
| 0351236 | others - winding stem |
| 2P210C7075 | others - case |
| 82812920 | others - case ring |
| 2P210C70 | others - case back |
| 2P210K60XS19 | others - dial |
| 2P219 | others - machine code |
| A100AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
Caliber 2P21
