The Seiko 2P21-5070 is a watch model based on the 2P21 movement.
Parts List
| SAFN73JN01 | crystal |
| 30ND3NA1 | crown - crown |
| 30N63NA1 | crown - crown |
| 0G1890B02 | case back gasket - case back gasket |
| ZHJ04G | band - leather band |
| ZHZ08G | band - leather band |
| ZHZ26G | band - leather band |
| 2BA065A1BDG | hand - minute hand |
| 3BA075F1BNG | others - second hand |
| 1BA042A1BNG | others - hour hand |
| 07SC25NG | others - second hand |
| 06T03DGM | others - minute hand |
| 1BA040A1BNG | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 2P210120XG14 | others - dial |
| 2P210120XL14 | others - dial |
| 2P215070 | others - case back |
| 2P21507025 | others - case |
| 2P219 | others - machine code |
| 82802010 | others - case ring |
| A120AS | others - push pin |
| 2BA060A1BDG | others - minute hand |
Caliber 2P21
