The Seiko 5Y81-500A is a watch model based on the 5Y81 movement.
Parts List
| RE8N08GN00 | crystal |
| RE8N08GN | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0G0055B0 | case back gasket |
| 0H2702B01 | case back gasket - rotating bezel gasket |
| 0354530 | others - winding stem |
| 5Y815008XB14 | others - dial |
| 5Y815008XG14 | others - dial |
| 5Y81500A | others - case back |
| 5Y81500A25Z | others - case |
| 5Y819 | others - machine code |
| 82719760 | others - case ring |
| A200BS | others - push pin |
| 13SC04A2 | others - second hand |
| 08CR4DGM | others - minute hand |
| 08CP8DGH | others - hour hand |
Other models with the same movement