The Seiko V811-1820 is a watch model based on the V811 movement.
Parts List
| 180A13LN03 | crystal |
| 35MT9NN1 | crown - crown |
| 0F150BAA5 | case back gasket - case back gasket |
| 510ABY | band |
| 06P29NGM | others - minute hand |
| 06P45NGH | others - hour hand |
| 3BA075F1BNG | others - second hand |
| 0D005BA13 | others - crown and stem gasket |
| 0354365 | others - winding stem |
| 81181459 | others - bracelet fixing pipe |
| 81611439 | others - bracelet fixing pin |