The Seiko 1E20-6270 is a watch model based on the 1E20 movement.
Parts List
| REDN02JK01 | crystal |
| 30M66NA1 | crown |
| 30M66NS1 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| HZ57A | band - metal band |
| HZ58A | band - metal band |
| 03V06NCH | others - hour hand |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 1E202160XG14 | others - dial |
| 1E202160XN13 | others - dial |
| 1E202170XS14 | others - dial |
| 1E206270 | others - case back |
| 1E20627025 | others - case |
| 1E20627029 | others - case |
| 1E2062704C | others - case |
| 1E208 | others - machine code |
| 82820300 | others - case ring |
| 0354931 | others - winding stem |
| 03V06NSH | others - hour hand |
| DZ0041B01 | others - crown and stem gasket |
| 03V14NGM | others - minute hand |
| 03V14NSM | others - minute hand |
Caliber 1E20
