The Seiko 1F20-0BAA is a watch model based on the 1F20 movement.
Parts List
| RE7A52SB0A | crystal - crystal |
| 6K35B2SNW1 | crown - crown |
| 0F180BAD2 | case back gasket - case back gasket |
| DEW2AW | band - band |
| DEW2AW-BK00 | clasp - clasp |
| 1CA030L0BDS | others - hour hand |
| 2CA042L0BDS | others - minute hand |
| A110BS | others - push pin (for mb) |
| 1F200BM0XZ13 | others - dial |
| 1F205 | others - machine code |
| 1F200BAA01A | others - case |
| 1F200BAA | others - case back |
| 82837660 | others - case ring |
| AC004BAD1 | others - crown and stem gasket |
| 0351807 | others - winding stem |
Caliber 1F20
