The Seiko 1E20-0AA0 is a watch model based on the 1E20 movement.
Parts List
| RE6A12JN02 | crystal - crystal |
| 6M35D4SNW1 | crown - crown (3h) |
| 0F120BA1S | case back gasket - case back gasket |
| D1T0AQ | band - band |
| D1T1AQ | band - band |
| D1T0AQ-BK00 | clasp - clasp |
| 1CA025LZBDL | others - hour hand |
| 1CA025LZBDS | others - hour hand |
| 2EA040L0BDL | others - minute hand |
| 2EA040L0BDS | others - minute hand |
| DB004BAD1 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 1E200AA001A | others - case |
| 81190075 | others - bracelet fixing pipe |
| 82722120 | others - case ring |
| 1E200AA0 | others - case back |
| 1E200AA002A | others - case |
| 81190055 | others - bracelet fixing pipe |
| 1E200AA0XZ13 | others - dial |
| 1E200AB0XS13 | others - dial |
| 1E207 | others - machine code |
| 0351931 | others - winding stem |
Caliber 1E20
