The Seiko 1E20-0AR0 is a watch model based on the 1E20 movement.
Parts List
| 120AA0JN02 | crystal - crystal (inorganic) |
| 6M30D2SNW1 | crown - crown (3h) |
| 0F110BA1S | case back gasket - case back gasket |
| 35E8JB | band - metal band |
| 35E8JB-LK | band - link |
| 35E8JB-BK | clasp - buckle |
| 2EA050L0BCB | others - minute hand |
| 1CA035LZBCB | others - hour hand |
| 1E200AR0 | others - case back |
| 1E200AR001B | others - case |
| 81190075 | others - bracelet fixing pipe |
| 82821920 | others - case ring |
| 81607039 | others - bracelet fixing pin |
| 0351931 | others - winding stem |
| DB004BAD1 | others - crown and stem gasket |
| 1E200AR8XS19 | others - dial |
| 1E207 | others - machine code |
Caliber 1E20
