The Seiko 5Y30-5399 is a watch model based on the 5Y30 movement.
Parts List
| RE2N94LM01 | crystal |
| RE2N94LM | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0G0055B0 | case back gasket |
| 0H2702B01 | case back gasket - rotating bezel gasket |
| 0351670 | others - winding stem |
| 5Y305088XS24 | others - dial |
| 5Y305399 | others - case back |
| 5Y305399HG | others - case |
| 5Y309 | others - machine code |
| 82800200 | others - case ring |
| A200BS | others - push pin |
| 09T32DAM | others - minute hand |
| 09T32DAH | others - hour hand |