The Seiko V300-5120 is a watch model based on the V300 movement.
Parts List
| SAGN92LN01 | crystal |
| 30M68NA1 | crown - crown |
| 30M68NF1 | crown |
| 0H2520B01 | case back gasket |
| 016BC | band - metal band |
| 016BC-LKG | band - link |
| 016BC-BK4S | clasp - clasp |
| 2BC075A0BAA | others - minute hand |
| 0354532 | others - winding stem |
| 82728160 | others - case ring |
| A150BS | others - push pin |
| V30051202G | others - case |
| V3005138XS14 | others - dial |
| V3007 | others - machine code |
| 07TC2FGH | others - hour hand |
| 07TC2FGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |