The Seiko 5E20-5A10 is a watch model based on the 5E20 movement.
Parts List
| ESJN22JM | crystal |
| ESJN22JM01 | crystal |
| 25M04NA1 | crown - crown |
| 0H2520N | case back gasket |
| 0H2520N01 | case back gasket - case back gasket |
| DZ0041B0 | case back gasket |
| BMZ26G | band - leather band |
| 5E205A00XS14 | others - dial |
| 5E205A10 | others - case back |
| 5E205A10HS | others - case |
| 5E209 | others - machine code |
| 82810920 | others - case ring |
| A160BS | others - push pin |
| 0351624 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
| 09T32DGH | others - hour hand |
| 09T32DGM | others - minute hand |
Caliber 5E20
