The Seiko 2320-6740 is a watch model based on the 2320 movement.
Parts List
| ES3N98GN00 | crystal - crystal |
| 35N12NA1 | crown - crown |
| 0A1800N01 | case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| KK02A | band - band |
| KK01A | band - band |
| 05R04AGH | others - hour hand |
| 05R04NGH | others - hour hand |
| A100BS | others - push pin (for mb) |
| 23201 | others - machine code |
| 23203490XS19 | others - dial |
| 23203500XG14 | others - dial |
| 2320674025 | others - case |
| 82700900 | others - case ring |
| 0354810 | others - winding stem |
| 05R02DGM | others - minute hand |
| 05R02CGM | others - minute hand |
Caliber 2320
