The Seiko 7320-6420 is a watch model based on the 7320 movement.
Parts List
| RE9N22JM01 | crystal - crystal |
| 30M68NA1 | crown - crown |
| 0H2300N01 | case back gasket |
| YB07A | band - band |
| YB08A | band - band |
| 07V14DGH | others - hour hand |
| 07V14DGM | others - minute hand |
| 0354735 | others - winding stem |
| 7320642025 | others - case |
| 82800120 | others - case ring |
| 732064202N | others - case |
| 73201640XG14 | others - dial |
| 73201640XN14 | others - dial |
| 73219 | others - machine code |
| DZ0041B01 | others - crown and stem gasket |
Caliber 7320
