The Seiko 7820-5340 is a watch model based on the 7820 movement.
Parts List
| RE1N22GN00 | crystal |
| 35R22NA1 | crown |
| 35R22NS1 | crown - crown |
| 0H2800B09 | case back gasket |
| CK721 | band - leather band |
| CK731 | band - leather band |
| CK742 | band - leather band |
| 11C28CJH | hand - hour hand |
| 11C28CJM | hand - minute hand |
| 11C28CKH | hand - hour hand |
| 11C28CKM | hand - minute hand |
| 11C28DBH | hand - hour hand |
| 11C28DBM | hand - minute hand |
| 0354780 | others - setting/winding stem |
| 0884826 | others - holding ring for dial |
| 7820534011 | others - case |
| 7820534025 | others - case |
| 782054900133 | others - dial |
| 782055009984 | others - dial |
| 782055009993 | others - dial |
| 83107230 | others - case ring |
| A220CS | others - push pin |