The Seiko 5Y30-5370 is a watch model based on the 5Y30 movement.
Parts List
| SAFN64JN01 | crystal |
| SAFN64JN | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2800B01 | case back gasket - rotating bezel gasket |
| 0G0055B0 | case back gasket |
| WQJ28K | band |
| WQA21K | band |
| WQA22K | band |
| 5Y305370 | others - case back |
| 5Y30537025Z | others - case |
| 5Y305818X919 | others - dial |
| 5Y305818XS19 | others - dial |
| 5Y305858XS19 | others - dial |
| 5Y309 | others - machine code |
| 82822920 | others - case ring |
| A190BS | others - push pin |
| 0351670 | others - winding stem |
| 09T36AGM | others - minute hand |
| 10TC0AGM | others - minute hand |
| 10TC0NGM | others - minute hand |
| 10T32ALH | others - hour hand |
| 10TC0AGH | others - hour hand |
| 10TC0NGH | others - hour hand |