The Seiko 2320-5400 is a watch model based on the 2320 movement.
Parts List
| SA2N80GN00 | crystal - crystal |
| 30M08NA1 | crown - crown |
| 30M08NS1 | crown - crown ersatz |
| 0A1900N01 | case back gasket - case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| EV432 | band - band |
| EV442 | band - band |
| DK50A | band - band |
| EV451 | band - band |
| 07R02DSH | others - hour hand |
| 07R02DSM | others - minute hand |
| 0354811 | others - winding stem |
| 07R02DGH | others - hour hand |
| 232004209983 | others - dial |
| 2320057042X4 | others - dial |
| 232005709994 | others - dial |
| 23200570XB24 | others - dial |
| 23201 | others - machine code |
| A130BS | others - push pin |
| 232054002E | others - case |
| 2320540025 | others - case |
| 83119220 | others - case ring |
| 07R02DGM | others - minute hand |
Caliber 2320
