The Seiko 2P21-5320 is a watch model based on the 2P21 movement.
Parts List
| ES9W65SN01 | crystal - crystal (sapphire) |
| 32M67NA1 | crown |
| 0F165BAA5 | case back gasket - case back gasket |
| 86572190 | crystal gasket - plastic gasket for crystal |
| ZL40A | band - band |
| ZL41A | band - leather band |
| 07SC43NG | others - second hand |
| 3BA075F1BNG | others - second hand |
| 1BC047A1BAA | others - hour hand |
| 2BC070A1BAA | others - minute hand |
| A130AS | others - push pin (for lb) |
| 2P210930XB14 | others - dial |
| 2P210930XG14 | others - dial |
| 2P210940XS19 | others - dial |
| 2P21532075 | others - case |
| 2P219 | others - machine code |
| DZ0040B01 | others - crown and stem gasket |
| 0351236 | others - winding stem |
| 2P21532075A | others - case |
| 82822270 | others - case ring |
| 2P215320 | others - case back |
| 07T07DGH | others - hour hand |
| 07T07DGM | others - minute hand |
| 1BA047A1BNG | others - hour hand |
| 2BA070A1BDG | others - minute hand |
| 2BA070A1BNG | others - minute hand |
| 07T27AGM | others - minute hand |
| 07T27AGH | others - hour hand |
Caliber 2P21
