The Seiko 1F20-0110 is a watch model based on the 1F20 movement.
Parts List
| 150A11JN02 | crystal |
| 6M30B9SNW0 | crown - crown |
| 6M30B9NNG2 | crown - crown |
| 0F120BA1S | case back gasket - case back gasket |
| D0C2AZ | band - band |
| D0C2BZ | band - band |
| 1CX040AABNG | others - hour hand |
| 1CX040AABNS | others - hour hand |
| 2CC060A1BNG | others - minute hand |
| 2CC060A1BNS | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 1F20011075A | others - case |
| 82833850 | others - case ring |
| 81606239 | others - bracelet fixing pin |
| 1F200110 | others - case back |
| 1F2001107EA | others - case |
| 1F200350XG19 | others - dial |
| 1F200360XS19 | others - dial |
| 1F205 | others - machine code |
| DZ0040B01 | others - crown and stem gasket |
| 0351807 | others - winding stem |
Caliber 1F20
