The Seiko 2320-0040 is a watch model based on the 2320 movement.
Parts List
| 205N08SN00 | crystal - crystal |
| 30M06NA1 | crown - crown |
| 30M06NS1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H1860N01 | case back gasket - case back gasket |
| PK202 | band - band |
| PK201 | band - band |
| 08R06CGH | others - hour hand |
| 08R06CGM | others - minute hand |
| 08R06CSH | others - hour hand |
| 08R06CSM | others - minute hand |
| 0354811 | others - winding stem |
| 2320004011 | others - case |
| 83119830 | others - case ring |
| 2320004026 | others - case |
| 232001503GB8 | others - dial |
| 232001503S47 | others - dial |
| 23201 | others - machine code |
| 232011703139 | others - dial |
| 232011703279 | others - dial |
| A130BS | others - push pin |
Caliber 2320
