The Seiko 1E20-6330 is a watch model based on the 1E20 movement.
Parts List
| K00W94JN01 | crystal |
| 30MA2NA1 | crown - crown |
| 0A1400B01 | case back gasket |
| TT49A | band - metal band |
| TT50A | band - metal band |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 82801540 | others - case ring |
| 1E202260XB14 | others - dial |
| 1E202260XS14 | others - dial |
| 1E206330 | others - case back |
| 1E20633075 | others - case |
| 1E2063307N | others - case |
| 1E208 | others - machine code |
| 0351931 | others - winding stem |
| 04VB0DGM | others - minute hand |
| 04VB0NGH | others - hour hand |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1E20
