The Seiko 2P20-5E89 is a watch model based on the 2P20 movement.
Parts List
| REAN46JM01 | crystal |
| REAN46JM | crystal |
| 30MD0E01 | crown |
| 0H1720N0 | case back gasket |
| 0H1720N01 | case back gasket - case back gasket |
| DZ0041B0 | case back gasket |
| B5371C | band - metal band |
| B5371C-LKG | band - link |
| 1CE035L0BDG | others - hour hand |
| 2CE052L0BDG | others - minute hand |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 2P200H40XN14 | others - dial |
| 2P205E89 | others - case back |
| 2P205E89JW | others - case |
| 2P209 | others - machine code |
| 82801020 | others - case ring |
| 0351236 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
| 05Y04DGM | others - minute hand |
| 05Y04DGH | others - hour hand |
Caliber 2P20
