The Seiko 2P21-0200 is a watch model based on the 2P21 movement.
Parts List
| 190P05SN02 | crystal |
| 190W99SN01 | crystal |
| 30M57NA1 | crown - crown |
| 0F160BAA5 | case back gasket - case back gasket |
| 0F155BAA5 | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 86564110 | crystal gasket - plastic gasket for crystal |
| 86174970 | bezel gasket |
| ZK57A | band - leather band |
| ZK58A | band - leather band |
| 3BA125F1BNG | others - second hand |
| 07T23AGH | others - hour hand |
| 1BD050A0BAA | others - hour hand |
| 0351236 | others - winding stem |
| 2P210200 | others - case back |
| 2P2102007C | others - case |
| 2P2102007R | others - case |
| 2P210610XS14 | others - dial |
| 2P210620XG14 | others - dial |
| 2P219 | others - machine code |
| 82340071 | others - bezel |
| 82820150 | others - case ring |
| A120AS | others - push pin |
| 07T33AGH | others - hour hand |
| 07T23AGM | others - minute hand |
| 07T33AGM | others - minute hand |
| 08SC29NG | others - second hand |
| 2BD075A0BAA | others - minute hand |
Caliber 2P21
