The Seiko 2P21-0080 is a watch model based on the 2P21 movement.
Parts List
| 30N99NS1 | crown |
| 30N99N01 | crown |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0G1820B01 | case back gasket |
| DA37A | band - metal band |
| DA38A | band - metal band |
| DA39A | band - metal band |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 07SC17NG | others - second hand |
| 07SC17NS | others - second hand |
| A110BS | others - push pin (for mb) |
| 2P21008011 | others - case |
| 2P21008025 | others - case |
| 2P210080HE | others - case |
| 2P210300XG14 | others - dial |
| 2P210300XN13 | others - dial |
| 2P210300XS13 | others - dial |
| 2P2185 | others - machine code |
| 0351236 | others - winding stem |
| 82802650 | others - case ring |
Caliber 2P21
