The Seiko 2P20-5J5A is a watch model based on the 2P20 movement.
Parts List
| REBN42JM01 | crystal |
| 30M98NA1 | crown |
| 0H1860N01 | case back gasket - case back gasket |
| B5422H | band - metal band |
| B5422H-LKG | band - link |
| B5422H-BK4G | clasp - clasp |
| 0351236 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 2P201D90XG24 | others - dial |
| 2P205J5A | others - case back |
| 2P205J5AE8 | others - case |
| 2P209 | others - machine code |
| 82802120 | others - case ring |
| 05Y03DGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 05Y03DGH | others - hour hand |
Caliber 2P20
