The Seiko 2320-5040 is a watch model based on the 2320 movement.
Parts List
| ES0W34SN00 | crystal |
| 30M04NS3 | crown |
| 0H1970B09 | case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 09R02CSM | others - minute hand |
| 09R02CSH | others - hour hand |
Caliber 2320
