The Seiko 1E20-6030 is a watch model based on the 1E20 movement.
Parts List
| K03N24JN | crystal |
| K03N24JN01 | crystal |
| 30M98NA1 | crown |
| 0H1200N01 | case back gasket |
| 0H1200N0 | case back gasket |
| DZ0041B0 | case back gasket |
| Z5255C | band - metal band |
| Z5255G-LKG | band - link |
| Z5255C-LKG | band - link |
| Z5255G | band - metal band |
| Z5255G-BK4G | clasp - clasp |
| Z5255C-PB1 | clasp - parts for buckle/clasp |
| Z5255G-PB1 | clasp - parts for buckle/clasp |
| Z5255C-BK4G | clasp - clasp |
| 03V12DGH | others - hour hand |
| 03V12DGM | others - minute hand |
| 0351931 | others - winding stem |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 1E201760XB14 | others - dial |
| 1E201760XG14 | others - dial |
| 1E201760XS14 | others - dial |
| 1E206030 | others - case back |
| 1E20603025 | others - case |
| 1E2060302N | others - case |
| 1E208 | others - machine code |
| 82802960 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E20
