The Seiko V821-5010 is a watch model based on the V821 movement.
Parts List
| 35M37NN1 | crown - crown |
| 0F200BA1S | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| WC76BZ | band - band |
| V82150107SA | others - case |
| 82826830 | others - case ring |
| V8215010 | others - case back |
| A140BS | others - push pin |
| 3HA075F1BAR | others - second hand |