The Seiko V501-8B20 is a watch model based on the V501 movement.
Parts List
| 290A03LN03 | crystal - crystal |
| 8M35A0BNG1 | crown - crown |
| 0F280NA1S | case back gasket - case back gasket |
| 70J7YB | band - band |
| 70J7XB | band - band |
| 70J7XB-LKG | band - link |
| 70J7YB-LKG | band - link |
| 70J7YB-BK4G | clasp - buckle |
| 70J7XB-BK4G | clasp - buckle |
| 3AA125F1ANG | others - second hand |
| 2AB115A2BNG | others - minute hand |
| 1AB080A0BNG | others - hour hand |
| A120BS | others - push pin (for lb) |
| 0354786 | others - winding stem |
| V5016 | others - machine code |
| V5018B98XB14 | others - dial |
| V5018C08XS14 | others - dial |
| 82729460 | others - case ring |
| V5018B207S | others - case |
| AD006BA12 | others - crown gasket |
| 12C20NGH | others - hour hand |