The Seiko Y481-7920 is a watch model based on the Y481 movement.
Parts List
| ET3N65AN01 | crystal |
| 35E17NN1 | crown |
| 35E17NS1 | crown |
| 510LG | band - leather band |
| 552MF | band - metal band |
| 551MF | band |
| 509LD | band |
| 512LD | band |
| 1AA040A1BNG | others - hour hand |
| 2AA060A1BNG | others - minute hand |
| 06SC15NG | others - second hand |
| 06SC15NS | others - second hand |
| 06P05NGH | others - hour hand |
| 06P05NGM | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 06P29NGM | others - minute hand |
| 2AA055A1BAC | others - minute hand |
| 06P03ASM | others - minute hand |
| 1AA037A1BAC | others - hour hand |
| A120BS | others - push pin (for lb) |
| 06SC11NG | others - second hand |
| 0351112 | others - winding stem |
| 06SC11NS | others - second hand |
| 06P05NSH | others - hour hand |
| 06P05NSM | others - minute hand |
| 1AA040A1BNS | others - hour hand |
| 2AA060A1BNS | others - minute hand |
| 06P03ASH | others - hour hand |
| 06P07DGH | others - hour hand |