The Seiko 1E20-6370 is a watch model based on the 1E20 movement.
Parts List
| K05N10JK01 | crystal |
| 30MB0NA1 | crown - crown |
| 0E120BA1S | case back gasket - case back gasket(lower) |
| TT63A | band - metal band |
| 04V42NAH | others - hour hand |
| 04V42NAM | others - minute hand |
| 0351931 | others - winding stem |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 1E202360XS14 | others - dial |
| 1E206370 | others - case back |
| 1E20637025 | others - case |
| 1E208 | others - machine code |
| 82830520 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E20
