The Seiko V821-0550 is a watch model based on the V821 movement.
Parts List
| 210A02L60A | crystal - crystal |
| 9M35B1SNW0 | crown - crown |
| 0F170BA1S | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| FCD1AB | band - band |
| 3HA090F1BNS | others - second hand |
| 1HA052A5BNS | others - hour hand |
| 2HA080A5BNS | others - minute hand |
| 82809210 | others - case ring |
| V821055079A | others - case |
| V8210550 | others - case back |
| A130BS | others - push pin |