The Seiko 2320-678A is a watch model based on the 2320 movement.
Parts List
| RE1N74GN00 | crystal - crystal |
| 35M94NA1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0G1900N01 | case back gasket - case back gasket |
| PK51A | band - band |
| 06R14DGH | others - hour hand |
| 06R14DGM | others - minute hand |
| 2320678A25 | others - case |
| 23201 | others - machine code |
| 23203580XR1P | others - dial |
| A150BS | others - push pin |
| 0354811 | others - winding stem |
| 83118340 | others - case ring |
Caliber 2320
