The Seiko 2320-5790 is a watch model based on the 2320 movement.
Parts List
| ES1N44GN00 | crystal - crystal |
| 30N06NA1 | crown |
| 30N06NS1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0A1600N01 | case back gasket |
| B512S | band - band |
| 06R06DSH | others - hour hand |
| 06R06DSM | others - minute hand |
| 0354810 | others - winding stem |
| 232057902E | others - case |
| 83118620 | others - case ring |
| 81600949 | others - bracelet fixing pin |
| 23201 | others - machine code |
| 232014803S43 | others - dial |
Caliber 2320
