The Seiko V821-5020 is a watch model based on the V821 movement.
Parts List
| BA1A99AN03 | crystal - crystal |
| 35M37NS1 | crown |
| 35M37NN1 | crown - crown |
| 0H2800B02 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 8AU2JZ | band - band |
| 8AU4JZ | band - band |
| 8BW0JZ | band - band |
| 8042YG | band - band |
| 8042ZG | band - band |
| 8B85ZZ | band - band |
| 8B86ZZ | band - band |
| 8B87ZZ | band - band |
| 8AU3KZ | band - band |
| 8BV9KZ | band - band |
| 8AU2ZZ | band - leather band |
| 8AU3YZ | band - leather band |
| 8AU4ZZ | band - leather band |
| 2HE070LABNS | others - minute hand |
| 2HE070LABNB | others - minute hand |
| 2HE070LABNG | others - minute hand |
| 1HE047LABNS | others - hour hand |
| 1HE047LABNB | others - hour hand |
| 1HE047LABNG | others - hour hand |
| 3HA075F1BNS | others - second hand |
| 3HA075F1BAB | others - second hand |
| 2HE065LABNS | others - minute hand |
| 2HE065LABNG | others - minute hand |
| 1HE040LABNS | others - hour hand |
| 1HE040LABNG | others - hour hand |
| 0354122 | others - winding stem |
| A170BS | others - push pin |
| V82150202SA | others - case |
| V821502012A | others - case |
| 82871830 | others - case ring |
| 3HA075F1BNG | others - second hand |