The Seiko 1F20-0170 is a watch model based on the 1F20 movement.
Parts List
| 120A02JN02 | crystal - crystal |
| 6M30Y9SNGA | crown - crown |
| 6M30Y9SNS0 | crown - crown |
| 0F120BA1S | case back gasket - case back gasket |
| WV56AW | band - band |
| WT79AW | band - band |
| WV58AW | band - leather band |
| WV57BW | band - band |
| WV59BW | band - leather band |
| 1CA030A7BNG | others - hour hand (lower) |
| 1CA030A7BNS | others - hour hand (lower) |
| 1CH030A1BNS | others - hour hand |
| 2CA045A5BNG | others - minute hand |
| 2CA045A5BNS | others - minute hand |
| 2CH045A1BNS | others - minute hand |
| A100BS | others - push pin (for mb) |
| 1F200520XS13 | others - dial |
| 1F202T30XA13 | others - dial |
| 1F202T30XA14 | others - dial |
| 1F205 | others - machine code |
| DZ0040B01 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 82852190 | others - case ring |
| 1F2001708XB | others - case |
| 1F2001708XA | others - case |
| 1F200170 | others - case back |
Caliber 1F20
