The Seiko 5E20-5A40 is a watch model based on the 5E20 movement.
Parts List
| SAFN88JM01 | crystal |
| SAFN88JM | crystal |
| 27M04NA1 | crown |
| 0H2702N01 | case back gasket - case back gasket |
| 0H2702N0 | case back gasket |
| DZ0041B0 | case back gasket |
| G1314C | band - metal band |
| G1314C-LKS | band - link |
| G1314D | band - metal band |
| G1314D-LKG | band - link |
| G1314E | band - metal band |
| G1314E-LKG | band - link |
| G1314E-BK4G | clasp - clasp |
| G1314D-BK4G | clasp - clasp |
| G1314C-BK4S | clasp - clasp |
| 08TE4DGM | hand - minute hand |
| 08TE4NGH | hand - hour hand |
| 5E205A40 | others - case back |
| 5E205A40BG | others - case |
| 5E205A40BH | others - case |
| 5E205A40JH | others - case |
| 5E205A40XG14 | others - dial |
| 5E205A40XN14 | others - dial |
| 5E205A40XS14 | others - dial |
| 5E209 | others - machine code |
| 82811480 | others - case ring |
| 0351624 | others - winding stem |
| 81601169 | others - bracelet fixing pin |
| 81180109 | others - bracelet fixing pipe |
| DZ0041B01 | others - crown and stem gasket |
Caliber 5E20
