The Seiko 2P21-5190 is a watch model based on the 2P21 movement.
Parts List
| ESBW33SN01 | crystal |
| 32M19NA1 | crown |
| 0F170BAA3 | case back gasket - case back gasket |
| 86582510 | crystal gasket |
| DK38C | band - leather band |
| 07SC43NG | others - second hand |
| 3BA075F1BNG | others - second hand |
| A130AS | others - push pin (for lb) |
| 2P210470XS19 | others - dial |
| 2P21519075 | others - case |
| 2P219 | others - machine code |
| 82811430 | others - case ring |
| EB0055B01 | others - crown and stem gasket |
| 0351236 | others - winding stem |
| 07T25ZGH | others - hour hand |
| 07T25ZGM | others - minute hand |
Caliber 2P21
