The Seiko 2P21-0260 is a watch model based on the 2P21 movement.
Parts List
| 175P01HN03 | crystal |
| 175W17HN01 | crystal |
| 30M57NA1 | crown - crown |
| 0F145BAA7 | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 86590930 | crystal gasket |
| RM05A | band - metal band |
| RM06A | band - metal band |
| 3BA075F1BNG | others - second hand |
| 1BC047A1BNG | others - hour hand |
| 2BC070A1BNG | others - minute hand |
| 07SC25NG | others - second hand |
| 07SC43NG | others - second hand |
| 0351236 | others - winding stem |
| 2P210260 | others - case back |
| 2P21026075 | others - case |
| 2P2102607N | others - case |
| 2P210980XG14 | others - dial |
| 2P210990XS14 | others - dial |
| 2P219 | others - machine code |
| 82802430 | others - case ring |
| A100AS | others - push pin |
| 07T07DGH | others - hour hand |
| 07T27NGH | others - hour hand |
| 07T27NGM | others - minute hand |
| 07T07DGM | others - minute hand |
| 1BA047A1BNG | others - hour hand |
| 2BA070A1BDG | others - minute hand |
| 2BA070A1BNG | others - minute hand |
Caliber 2P21
