The Seiko 7830-5120 is a watch model based on the 7830 movement.
Parts List
| RE1N30GN00 | crystal |
| 22N31DJ9 | crown |
| 35R22NA1 | crown |
| 35R22NS1 | crown - crown |
| 0H2930B09 | case back gasket |
| AS050 | band - metal band |
| 11C30DBH | hand - hour hand |
| 11C30DBM | hand - minute hand |
| 0354780 | others - setting/winding stem |
| 7830512011 | others - case |
| 783051609993 | others - dial |
| 83107230 | others - case ring |
| A220CS | others - push pin |
| 13SC04AB | others - second hand |
| 13SC04AW | others - second hand |