The Seiko 5Y39-5050 is a watch model based on the 5Y39 movement.
Parts List
| RECN22JM01 | crystal |
| RECN22JM | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2702N01 | case back gasket - case back gasket |
| 0G0055B0 | case back gasket |
| G1358G | band |
| G1358C | band |
| G1358C-LKG | band - link |
| G1358G-LKG | band - link |
| G1358G-BK4G | clasp - clasp |
| G1358C-BK4S | clasp - clasp |
| 09T04N1H | others - hour hand |
| 09T04N1M | others - minute hand |
| 0351670 | others - winding stem |
| 0801738 | others - date dial |
| 0801740 | others - date dial |
| 5Y395050 | others - case back |
| 5Y39505025 | others - case |
| 5Y3950502H | others - case |
| 5Y395070XS14 | others - dial |
| 5Y395070XS24 | others - dial |
| 5Y395090XS14 | others - dial |
| 5Y399 | others - machine code |
| 82811780 | others - case ring |
| A190BS | others - push pin |
| 08T20N1H | others - hour hand |
| 08T20N1M | others - minute hand |