The Seiko V231-523A is a watch model based on the V231 movement.
Parts List
| RE1W09LN02 | crystal - crystal (inorganic) |
| 35MC1NN1 | crown - crown |
| 0F170BA11 | case back gasket - case back gasket |
| 86574715 | crystal gasket - plastic gasket for crystal |
| 692LZ | band - band |
| 04P01NGM | others - minute hand |
| 1AA027A3BNG | others - hour hand |
| 3BA075F1BNG | others - second hand |
| 2AA042A1BNG | others - minute hand |
| 05SC01NG | others - second hand |
| 0354235 | others - winding stem |
| 0E005BA11 | others - crown and stem gasket |
| A130BS | others - push pin |
| 2AA042A3BNG | others - minute hand |
| 04P01NGH | others - hour hand |