The Seiko V501-1A20 is a watch model based on the V501 movement.
Parts List
| 40MP4NS1 | crown - crown |
| 0G240BA12 | case back gasket - case back gasket |
| 0E210BA1S | case back gasket - rotating bezel gasket |
| FFT1JZ | band - band |
| FFT2JZ | band - band |
| FF39JZ | band - band |
| FFD1JZ | band - band |
| FFD2JZ | band - band |
| FFT3JZ | band - band |
| 1AB065L2BSB | others - hour hand |
| 2AB085L2BSB | others - minute hand |
| 82795280 | others - case ring |
| V5011A2001C | others - case |
| 8235660F | others - rotating bezel |
| V5011A2002C | others - case |
| 8235660G | others - rotating bezel |
| V5011A2003C | others - case |
| 8235660H | others - rotating bezel |
| V5011A2004C | others - case |
| V5011A2006C | others - case |
| V5011A2005C | others - case |
| 0354786 | others - winding stem |
| T160BS | others - push pin |
| 0Z0060B01 | others - crown and stem gasket |
| 3AA085F0ANS | others - second hand |