The Seiko 2320-6490 is a watch model based on the 2320 movement.
Parts List
| ES3N64GN00 | crystal - crystal |
| 35M94NA1 | crown |
| 0H1720N01 | case back gasket - case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| TT05A | band - band |
| ZZ03A | band - band |
| 07R02NGH | others - hour hand |
| 07R20DGH | others - hour hand |
| 07R20DGM | others - minute hand |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 0354811 | others - winding stem |
| 83119850 | others - case ring |
| 232064902N | others - case |
| 23201 | others - machine code |
| 23203090XS14 | others - dial |
| 23203100XS14 | others - dial |
| 07R02DGM | others - minute hand |
Caliber 2320
