The Seiko 5Y30-5260 is a watch model based on the 5Y30 movement.
Parts List
| ESHN10JN01 | crystal |
| ESHN10JN | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B0 | case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2600B01 | case back gasket - case back gasket |
| WNA19K | band - leather band |
| WNJ29K | band - leather band |
| WNJ30K | band - leather band |
| WNJ31K | band - leather band |
| 09T04N1H | others - hour hand |
| 09T04N1M | others - minute hand |
| 5Y305260 | others - case back |
| 5Y30526025 | others - case |
| 5Y305648XG14 | others - dial |
| 5Y305658XS19 | others - dial |
| 5Y305668X919 | others - dial |
| 5Y309 | others - machine code |
| 82803720 | others - case ring |
| A170BS | others - push pin |
| 0351670 | others - winding stem |
| 09T36AGM | others - minute hand |
| 10T32ALH | others - hour hand |