The Seiko 1E20-5300 is a watch model based on the 1E20 movement.
Parts List
| ESCN44GN | crystal |
| ESCN44GN00 | crystal - crystal (inorganic) |
| 30M64NA3 | crown - crown |
| 0H1500N01 | case back gasket - case back gasket |
| 0H1500N0 | case back gasket |
| DZ0041B0 | case back gasket |
| Z5133G | band - metal band |
| Z5133G-BK3G | clasp - clasp |
| 03V12DGH | others - hour hand |
| 03V12DGM | others - minute hand |
| 0351931 | others - winding stem |
| 1E200580XA15 | others - dial |
| 1E20530025 | others - case |
| 1E208 | others - machine code |
| 82731060 | others - case ring |
| Z5133G-EP2 | others - endpiece |
| 0354930 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E20
