The Seiko 5Y39-8020 is a watch model based on the 5Y39 movement.
Parts List
| 290N32JM01 | crystal - crystal |
| GILT | crystal |
| 30MA6NA1 | crown - crown |
| 0A2600N01 | case back gasket - case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0G0055B0 | case back gasket |
| Z1476L | band - metal band |
| Z1476K | band |
| Z1476J | band |
| Z1476G | band |
| Z1476C | band |
| Z1476L-BK5S | clasp - clasp |
| Z1476C-BK5S | clasp - clasp |
| Z1476G-BK5G | clasp - clasp |
| Z1476K-BK5G | clasp - clasp |
| 1BB080A0BNG | others - hour hand |
| 0351670 | others - winding stem |
| 82803220 | others - case ring |
| 0801724 | others - date dial |
| 0801727 | others - date dial |
| 0801737 | others - date dial |
| 5Y398008XB14 | others - dial |
| 5Y398008XG14 | others - dial |
| 5Y398008XN14 | others - dial |
| 5Y398020 | others - case back |
| 5Y39802025 | others - case |
| 5Y39802029 | others - case |
| 5Y398020X919 | others - dial |
| 5Y398020X929 | others - dial |
| 5Y398028X919 | others - dial |
| 5Y398028X929 | others - dial |
| 5Y399 | others - machine code |
| A160BS | others - push pin |
| 12T40AGM | others - minute hand |
| 12T08NGM | others - minute hand |
| 12T08NGH | others - hour hand |
| 1BD085A0BAA | others - hour hand |
| 12T40AGH | others - hour hand |