The Seiko Y481-1930 is a watch model based on the Y481 movement.
Parts List
| 200A02LN03 | crystal - crystal |
| 200N81LN00 | crystal |
| 35NR7NN1 | crown |
| 0G1400B01 | case back gasket |
| 0G1450B01 | case back gasket |
| 928LA | band - leather band |
| A130BS | others - push pin |
| Y4811930HGA | others - case |
| Y4819470XN14 | others - dial |
| DA007BA11 | others - crown and stem gasket |
| 82736810 | others - case ring |
| 08P63NGM | others - minute hand |
| 1AC055A1BNG | others - hour hand |
| 2AC080A1BNG | others - minute hand |
| 3BA125F1BAT | others - second hand |