The Seiko 2P21-0A80 is a watch model based on the 2P21 movement.
Parts List
| 170N02GN00 | crystal |
| 30M98NA1 | crown |
| 0H1610N01 | case back gasket |
| DK06D | band - leather band |
| DK07D | band - leather band |
| ML65A | band - leather band |
| ML64A | band - band |
| 06TA0FGH | others - hour hand |
| 06TA0FGM | others - minute hand |
| 07SC02NG | others - second hand |
| 0351236 | others - winding stem |
| 2P210A8025 | others - case |
| 2P210A80 | others - case back |
| 2P210D40XG14 | others - dial |
| 2P210D50XS19 | others - dial |
| 2P210E80XS19 | others - dial |
| 2P211A90XS19 | others - dial |
| 2P211A90XS29 | others - dial |
| 2P219 | others - machine code |
| A100AS | others - push pin |
| 82801360 | others - case ring |
| 07T07DGH | others - hour hand |
| 07T07DGM | others - minute hand |
| 07TA0FGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 07T07CGH | others - hour hand |
| 07T07CGM | others - minute hand |
| 07TA0FGH | others - hour hand |
Caliber 2P21
